[puck] n [ME puke, fr. OE puca; akin to ON puki devil] (bef. 12c) 1 archaic: an evil spirit: demon
2: a mischievous sprite: hobgoblin; specif, cap: robin goodfellow
[2]puck n [E dial. puck to poke, hit, prob. fr. Ir poc butt, stroke in hurling, lit., buck (male deer)] (1891): a vulcanized rubber disk used in ice hockey