Boy name origins & meanings
- Greek : Decoration
Family name origins & meanings
- Hungarian : from a short form of Kozmás, vernacular form of Cosma.
- Czech, Slovak, and Polish : from the personal name Kosma (Polish Koźma), vernacular forms of Greek Kosmas (see Cosma).
- Jewish (from Poland) : ornamental adoption of the Slavic personal name (see 2).
- possibly also Greek (Kozmas) : variant of Kosmas (see Cosma).