yell (v.) Look up yell at
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 *ghel- (1) "to call, cry out, shout, sing" (source also of Greek kikhle "thrush," khelidon "the swallow"). Intransitive sense from early 13c. Related: Yelled; yelling.
yell (n.) Look up yell at
late 14c., originally in Scottish, from yell (v.).