目送

to follow with one's eyes (a departing guest etc)

to deliver / to carry / to give (as a present) / to present (with) / to see off / to send

eye / (literary) to look; to regard / eye (of a net); mesh / mesh size; grit size (abbr. for 目數|目数[mu4 shu4]) / item; section / list; catalogue / (taxonomy) order / name; title