Yell
Old English g(i)ellan (verb), of Germanic origin; related to Dutch gillen and German gellen .
wiktionary
From Middle English ȝellen, yellen, from Old English ġiellan, from Proto-Germanic *gellaną. Cognate with Saterland Frisian gälje(“to yell”), Dutch gillen(“to yell”), German Low German gellen(“to yell”), German gellen(“to yell”).
Borrowed from Scots yeld(“ceasing to give milk”).
etymonline
yell (v.)
Old English giellan (West Saxon), gellan (Mercian) "to yell, sound, shout," class III strong verb (past tense geal, past participle gollen), from Proto-Germanic *gel- (source also of Old Norse gjalla "to resound," Middle Dutch ghellen, Dutch gillen, Old High German gellan, German gellen "to yell"), extended form of root of Old English galan "to sing" (source of the -gale in nightingale); from PIE root *ghel- (1) "to call." Intransitive sense from early 13c. Related: Yelled; yelling.
yell (n.)
late 14c., originally in Scottish, from yell (v.).
