Rehearsal

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Middle English (in the sense ‘repeat aloud’): from Old French rehercier, perhaps from re- ‘again’ + hercer ‘to harrow’, from herse ‘harrow’ (see hearse).

wiktionary

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rehearse +‎  -al

etymonline

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rehearsal (n.)

late 14c., rehersaille, "restatement, repetition of the words of another; account, narration," from rehearse + -al (2), or from Old French rehearsal "a repeating." Sense in theater and music, "act or process of studying by practice or preparatory exercise, a meeting of musical or dramatic performers for practice and study together" is from 1570s. A play being in rehearsal is from 1709. Pre-wedding rehearsal dinner attested by 1953.