OE. biker; akin to Icel. bikarr, Sw. b[ä]gare, Dan. baeger, G. becher, It. bicchiere; -- all fr. LL. bicarium, prob. fr. Gr. ? wine jar, or perh. L. bacar wine vessel

Svéd b[ä]gare, dán baeger, vö. magyar bögre