Meaning

noun the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose

noun (sports) the act of enabling another player to make a good play

verb give help or assistance; be of service

originEtymology tree Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Proto-Indo-European *steh₂- Proto-Indo-European *stísteh₂ti Proto-Italic *sistō Latin sistō Latin assistō Old French assisterbor. Middle English assisten English assist From Middle English assisten, from Old French assister (“to assist, to attend”), from Latin assistō (“stand at, bestand”, verb).

Etymology from Wiktionary, CC BY-SA 3.0