Meaning

noun a slight push or shake

verb to push against gently

verb push into action by pestering or annoying gently

originCirca 17th century, perhaps of North Germanic origin, related to Norwegian nugge, nyggje (“to push, rub, shove”), Icelandic nugga (“to rub, massage”), from the root of Proto-Germanic *hnōjaną (“to smooth, join together”), from Proto-Indo-European *kneh₂- (compare Ancient Greek κνάω (knáō, “to scratch, scrape”), source of English acnestis). Compare also Scots nodge (“to push, poke, nudge”), knidge…

Etymology from Wiktionary, CC BY-SA 3.0