Meaning

noun the sound of laughing

noun a facial expression characteristic of a person laughing

noun a humorous anecdote or remark intended to provoke laughter

originFrom Middle English laughen, laghen, from (Anglian) Old English hlæhhan, hlehhan, (West Saxon) hliehhan, from Proto-West Germanic *hlahhjan, from Proto-Germanic *hlahjaną. Cognates Germanic: Scots lauch (“to laugh”), Yola leeigh, leigh (“to laugh”), North Frisian laache, lachi, laake, loache, lååke (“to laugh”), Saterland Frisian laachje (“to laugh”), West Frisian laitsje (“to laugh”), Alemannic…

Etymology from Wiktionary, CC BY-SA 3.0