From Middle English costume, custume, from Old French costume, custume, from Italian costume, from a Vulgar Latin or *costūmen, from Latin cōnsuētūdinem, accusative singular of cōnsuētūdō, from cōnsuēscō, from con- + suēscō. First element con- derives from cum, from Old Latin com, from Proto-Italic *kom, from Proto-Indo-European *ḱóm ("with, along"). Second element suēscō is from Proto-Indo-European *swe-dʰh₁-sk-, from *swé + *dʰeh₁-; related to Latin suus ("one's own, his own"). consuetude and custom, which shares most of this etymology.
Verb circa 1823.
Modern English dictionary
Explore and search massive catalog of over 900,000 word meanings.
Word of the Day
Get a curated memorable word every day.
Challenge yourself
Level up your vocabulary by setting personal goals.