The word 'wombat' entered English in the late 18th century as a direct borrowing from the Dharug language, spoken by the Aboriginal people of the Port Jackson region. The original Dharug term, transcribed by colonists, referred specifically to the unique, burrowing marsupial native to the area. As European exploration and settlement of Australia expanded, this local name was adopted into scientific and common English usage. Its journey from an Indigenous Australian language to a global English term exemplifies how loanwords fill lexical gaps for novel flora and fauna encountered in new environments.

This word is a loanword from the Dharug Aboriginal language of the Sydney area, recorded by early European colonists as 'wombat' or 'womback'. It is not composed of separable English or classical morphemes.