From French costume. Doublet of kutimo.
kostumo (accusative singular kostumon, plural kostumoj, accusative plural kostumojn)
- costume
- suit (clothes)
1988, David Richardson, “Sidi”, in “Pri la ‘Interna Ideo’”, in Esperanto: Learning and Using the International Language, Eastsound, Wash.: Orcas Publishing Company, →ISBN, Part 3 (An Esperanto Reader), page 271:Via nova kostumo sidas tre bele, Your new suit hangs very nicely.
- outfit