Word Origin & History
bull"papal edict," c.1300, from L. bulla "sealed document" (cf. O.Fr. bulle, It. bulla), originally the word for the seal itself, from bulla "round swelling, knob," said ultimately to be from Gaulish, from PIE *beu-, a base supposed to have formed words associated with swelling (cf. Lith. bule "buttocks,"
EXPANDM.Du. puyl "bag").
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