Etymology
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toper (n.)

"heavy drinker," 1670s, agent noun from tope (v.).

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bibitory (adj.)

"pertaining to drinking," 1690s, from Modern Latin bibitorius, from Late Latin bibitor "drinker, toper," from Latin bibere "to drink" (from PIE root *po(i)- "to drink"). Bibacious "fond of drinking" is from 1670s.

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