A lot vs. Alot: 9 Grammatical Pitfalls
1530s, "of one form," from Middle French uniforme (14c.), from Latin uniformis "having one form," from uni- "one" (see uni-) + forma "form" (see form). Related: Uniformly.
"distinctive clothes worn by one group," 1748, from French uniforme, from the adjective (see uniform (adj.)).