A variant or back-formation attempting to create a verb form meaning 'to desire together' or 'to share desire'; extremely rare and possibly obsolete.
A hypothetical or archaic formation from Latin concupiscere, perhaps influenced by similar -py verbs or created through folk etymology. This word appears in very few historical records and may represent experimental English coinage.
This word is so obscure that it might barely qualify as English at all—it possibly appears only in ancient dictionaries as a failed attempt to verb the Latin concupiscere, representing one of those lost experiments in word-making that didn't catch on.
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