"the act of winking," 1620s, from Latin nictationem (nominative nictatio), noun of action from past-participle stem of nictare "to wink, blink" (see nictitate). Alternative form nictitation is from 1784.
Entries linking to nictation
nictitate v.
"to wink," 1822, from Medieval Latin nictitatus, past participle of nictitare, frequentative of Latin nictare "wink, blink, signal with the eyes," related to nicere "to beckon," from PIE root *kneigwh- "to blink, to draw together (the eyes or eyelids)," source also of Gothic hniewan, Old High German nigan "to bow, be inclined." Related: Nictitated; nictitating (1713). Earlier form was nictate (v.), 1690s, from Latin nictare.