y

yacht < yeaghe < norwegian jaght / dutch jaght < middle low german jacht, a shortening of jachtschip (= fast pirate ship) < jacht (= chase) (< jagen (= to chase, hunt) < old high german jagon < proto-germanic *yago-) + schip (= ship) (< proto-germanic *skipa-).
yahoo (= a brute in human form) < a race of brutish human creatures in Swift’s “Gulliver’s Travels” [on internet from 1994].
Yahweh < hebrew Yahwah / Yahweh (= God) < hawah (= the one who is, the existing) < hayah (= he was) [as transliteration of hebrew Tetragrammaton YHWH (the full name being too sacred for utterance), taken as the principal and personal name of God].
yak < tibetan g-yag (= male yak).
yak (= laugh) < yuck (= talk idly) < yack.
yakuza < japanese yakuza < ya - ku - sa (= eight - nine - three), the losing hand in a traditional baccarat.
yam < igname < portuguese inhame / spanish igname < african origin.
yammer < middle english yammer (= to lament) < middle dutch jammeren.
Yankee < (?) 1. dutch Janke (= Little John), a diminutive of Jan [1683, a nickname for English colonists by Dutch settlers in New Amsterdam (later New York) in neighboring Connecticut] or 2. Jan Kes (= John Cornelius) or 3. Jan Kees < Jan Kaas (= John Cheese) [a nickname for Dutchmen by Flemings].
yap < an acronym of Young Aspiring Professional [1984].
yard (= courtyard) < old english geard (= fenced enclosure, garden, court) < proto-germanic *gardan- {> old norse garðr, dutch gaard, old high german garto, german Garten} < (?) I.E. *ghor-to- < *gher-(1) (= to grasp, enclose).
yard (= measure of length) < old english g(i)erd (= rod, stick, measure of length) < west germanic *gazdijo < proto-germanic *gazdjo (= stick, rod) {> old norse gaddr, dutch gard, german gerte} < I.E. *ghazdh-o- (= rod, pole).
yare < old english gearo (= ready, prepared) < gearwian (= to equip, prepare) < proto-germanic *garwjan (= make, prepare, equip).
yarn < old english gearn (= spun fiber, spun wool) < proto-germanic *garnan < I.E. *ghere- (= intestine, gut).
yarrow < old english gearwe (= yarrow) < proto-germanic *garwo.
yaw < (?) old norse jaga / old danish jæge (= to drive, chase) < middle low german jagen (= to chase, hunt) < old high german jagon < proto-germanic *yago-.
yawl < middle low german jolle / dutch jol (= a Jutland boat).
yawn < middle english yenen / yonen < old english ginian / gionian (= yawn, gape) < proto-germanic *gin-.
yay (= this) < (?) yea (= yes).
ye (= you) < old english ge, plural of þu (= thou, you) < proto-germanic *juz- / *iwwiz {> old norse yor, dutch u, old high german iu, german euch} < I.E. *yu (= you) [plural].
yea < old english gea / ge (= so, yes) < proto-germanic *ja- / *jai- < I.E. *yam- < *i-.
yeah < american english yeah < yes < old english gese / gise (= so be it!) < (?) ge / gea (= so) + si (= be it!) < proto-germanic *sijai- < I.E. *si- < *es- (= to be).
yean < old english eanian (= bring forth) < proto-germanic *aunon < I.E. *agwh-no- (= lamb).
year < old english gear / ger (= year) < proto-germanic *jēr (= year) {> old norse ar, danish aar, dutch jaar, german Jahr} < I.E. *yer-o- < *yer- (= year, season).
yearn < old english geornan / giernan / giorna (= to strive, desire, seek for) < proto-germanic *gernjan.
yeast < old english gist (= yeast, froth) < proto-germanic *jest- < I.E. *yes- (= to boil, foam).
yell < old english g(i)ellan (= to yell, sound, shout) < proto-germanic *gel- < I.E. *ghel-(1) (= to call, cry out).
yellow < old english geol(w)e (= yellow) < proto-germanic *gelwaz {> old norse gulr, swedish gul, dutch geel, german gelb} < I.E. *ghel-(2) (= to shine).
yelp < old english g(i)elpan (= boast, exult) < proto-germanic *gel- < I.E. *ghel-(1) (= to call, cry out).
Yemen < arabic Yemen (= the country of the south) < yaman (= right side [if facing at east]).
yen < japanese yen < chinese yuan (= round, round object, circle).
yeoman < middle english yeoamn (= attendant in a noble household) < (?) 1. old english iunge man (= young man) or 2. old english *geaman (= villager) < old english -gea (= district, region, village) < proto-germanic *gaujan.
yep < american english yep < yes / yeah [(?) by influence of nope].
yes < old english gese / gise (= so be it!) < (?) ge / gea (= so) + si (= be it!) < proto-germanic *sijai- < I.E. *si- < *es- (= to be).
yet < old english get / gieta (= till now, thus far, at last, also).
yeti < tibetan yeh-teh (= small manlike animal).
yew < old english iw / eow (= yew) < proto-germanic *iwo- < I.E. *ei-wo- < (?) *ei-(2) (= reddish, yellow).
yiddish < yiddish yidish < middle high german jüdisch (= Jewish [Deutsch] (= Jewish [German]) < jude (= Jew) < old high german judo < latin Judaeus < ancient greek Ιουδαίος | Ioudhaeos < aramaic jehudhai (= a Jew) < Y’hudah (= Judah).
yield < old english g(i)eldan (= pay for, reward, render, serve) < proto-germanic *geldan (= pay) < I.E. *gheldh- (= to pay).
yikes < (?) yoicks [a call in fox-hunting].
yin-yang < chinese (Mandarin) yin (= female, night, lunar, shade, moon) + yang (= male, daylight, solar, sun).
yippee < (?) hip.
yippie < an acronym of Youth International Party [modeled (1968) on hippie (q.v.)].
Y.M.C.A. < an acronym of Young Men's Christian Association [1868].
yo-yo < american-english yo-yo, a toy [1915] < philippinean origin.
yob < british-english yob < boy [back-slang].
yodel < german jodeln < jo [an exclamation of joy].
yoga < hindi yoga < sanskrit yoga-s (= union, yoking) [with the Supreme Spirit] < I.E. *yeug- (= to join).
yog(h)urt < turkish yogurt.
yoke < old english geoc < geoht (= pair of draft animals) < proto-germanic *yukam {> old norse ok, danish aag, dutch juk, german joch} < I.E. *yeug- (= to join).
Yom Kippur < hebrew yom kippur (= day of atonement) < yom (= day) + kippur (= atonement, expiation).
yore < old english geara (= of years, formerly), genitive plural of gear (= year) < proto-germanic *jēr (= year) {> old norse ar, danish aar, dutch jaar, german Jahr} < I.E. *yer-o- < *yer- (= year, season).
York < old english Eoforwic < Eborakon, related to Ebores, a tribe < celtic source.
you < old english eow, dative and accusative plural of þu (= thou), objective case of ge (= ye) < proto-germanic *juz- / *iwwiz {> old norse yor, dutch u, old high german iu, german euch} < I.E. *yu (= you) [plural].
young < old english geong (= youthful, young, recent) < proto-germanic *junga- {> old norse ungr, dutch jong, german jung} < I.E. *yuwn-ko- < *yeu- (= vital force) {> sanskrit yuvan-, avestan yuuanem, latin juvenis / junior, welsh ieuanc, lithuanian jaunas, old church slavonic junu, russian junyj}.
younker (= young nobleman) < middle dutch jonckher < jonc (= young) + here (= lord, master).
your < old english eower, genitive of ge (= ye) < proto-germanic *juz- / *iwwiz {> old norse yor, dutch u, old high german iu, german euch} < I.E. *yu (= you) [plural].
youth < old english geoguð (= youth, young people, young of cattle) < proto-germanic *jugunthi- {> dutch jeugd, gothic junda, old high german jugund, german Jugend} < I.E. *yeu- (= vital force) + proto-germanic [suffix] *-itho.
yowl < middle english yuhelen < (?) imitative origin.
yuan < chinese yuan (= round, round object, circle).
yucca < spanish juca / yuca (= cassava plant) < (?) taino (of Haiti) origin.
yuck < (?) echoic origin.
Yugoslav < serbo-croatian jugo- (= south) (< jug (= south, south wind) < old church slavonic jugu (= south, south wind, noon)) + Slav (< old church slavonic Sloveninu (= a Slav)).
yule < old english geol(a) (= Christmas Day) [cognate with old norse jol [plural], a heathen feast].
yummy < yum [exclamation of pleasure].
yumpie < an acronym of Young Upward-Mobile Professional [modeled (1984) on hippie (q.v.)].
yuppie < an acronym of Young Urban Professional [modeled (1982) on hippie (q.v.)].
yurt < russian yurta < turkic origin.
Y.W.C.A. < an acronym of Young Women's Christian Association [1874].