Click
late 16th century (as a verb): imitative.
wiktionary
Imitative of the "click" sound; first recorded in the 1500s. Compare Saterland Frisian klikke(“to click”), Middle Dutch clicken (Modern Dutch: klikken(“to click”)), Old High German klecchen (Modern German: klecken, klicken(“to click”)), Danish klikke(“to click”), Swedish klicka(“to click”), Norwegian klikke(“to click”), Norwegian klekke(“to hatch”).
click (plural clicks)
From Middle English clike, from Old French clique(“latch”).
From Middle English cleken, a variant of clechen(“to grab”), perhaps from Old English *clēċan, *clǣċan, a byform of clyċċan(“to clutch”). More at clutch.
click (plural clicks)
etymonline
click (v.)
1580s, "cause to make a weak, sharp, sound" (transitive), of imitative origin (compare Dutch and East Frisian klikken "to click;" Old French clique "tick of a clock"). Intransitive sense "make a weak, sharp sound" is from 1610s.
The figurative sense, in reference usually to persons, "hit it off at once, become friendly upon meeting" is from 1915, perhaps based on the sound of a key in a lock. Mental figurative meaning "to fall into context" is by 1939. Related: Clicked; clicking.
click (n.)
"a small, sharp sound," 1610s, from click (v.). As a sound in certain South African languages, 1837. Click-beetle attested from 1830, so called from its ability, when on its back, to spring into the air with an audible click.
