Penalty

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early 16th century: probably via Anglo-Norman French, from medieval Latin poenalitas, based on poena ‘pain’.

wiktionary

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From Middle French pénalité

etymonline

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penalty (n.)

c. 1500, "punishment," from Old French penalite and directly from Medieval Latin penalitatem (nominative penalitas), from Latin poenalis "pertaining to punishment" (see penal). Specifically as "the punishment laid out by law or judicial decision for a violation of the law" is by 1510s (also later for non-fulfillment or violation of an obligation or agreement). The sporting sense of "disadvantage imposed on a competitor for a breach of the rules" is by 1885; the ice hockey penalty box is attested by 1931.