To subject someone or something to discipline; to train or control through rules and punishment.
From Latin disciplinatus, past participle of disciplinare (to train). This comes from disciplina. Though the verb form exists in Latin, it's relatively rare in modern English, appearing mainly in technical or specialized contexts rather than everyday speech.
This is a word that almost exists in English—you'll see it pop up in religious or military writing, but most English speakers prefer 'discipline' as a verb instead. It shows how language doesn't always need every grammatical form we theoretically could make.
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