imp
1. imp \'imp\ n obs 1a: SHOOT, BUD; also : GRAFT archaic 1b: OFFSPRING, SCION archaic 2a: an evil creature 2b: a small demon : FIEND 2c: a mischievous child : URCHIN 2. imp vt [ME impen, fr. OE impian; akin to OHG impfo-n to graft; bo]th fr. a prehistoric WGmc word borrowed fr. (assumed) VL imputare, fr. L in- + putare to prune - more at PAVE archaic 1a: to graft or repair (a wing, tail, or feather) with a feather to improv e a falcon's flying capacity 1b: to equip with wings archaic 2: to eke out : STRENGTHEN
Webster's English Dictionary