- seep (v.)
- 1790, variant of sipe (c. 1500), possibly from Old English sipian "to seep," from Proto-Germanic *sip- (source also of Middle High German sifen, Dutch sijpelen "to ooze"), from PIE root *seib- "to pour out, drip, trickle" (see soap (n.)). Related: Seeped; seeping.
