Meaning

noun close fighting during the culmination of a military attack

noun a threatened or attempted physical attack by someone who appears to be able to cause bodily harm if not stopped

noun thoroughbred that won the triple crown in 1946

originFrom Middle English assaut, from Old French noun assaut, derived from the past participle of the verb assalir, from Late Latin assalīre, from Latin ad (“at, towards”) + salīre (“jump”). See also assail. Spelling Latinized around 1530 to add an l.

Etymology from Wiktionary, CC BY-SA 3.0