accost
verb (formal)- accost somebody
to go up to somebody and speak to them, especially in a way that is rude or frightening （贸然）上前搭讪；（唐突地）走近谈话 Word Originlate 16th cent. (originally in the sense ‘lie or go alongside’): from French accoster, from Italian accostare, from Latin ad- ‘to’ + costa ‘rib, side’.