Collision

google

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late Middle English: from late Latin collisio(n- ), from Latin collidere ‘strike together’ (see collide).

wiktionary

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From Middle French collision, from Late Latin collisio, from Latin collidere, past participle collisus(“to dash together”); see collide.

etymonline

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collision (n.)

"act of striking or dashing together," early 15c., from Late Latin collisionem (nominative collisio) "a dashing together," noun of action from past-participle stem of Latin collidere "to strike together" (see collide).