What Does The Prefix Exo Mean - A combining form meaning “outside,” “outer,” “external,” used in the formation of compound words. Exogenous is a word referring to a factor or event coming or contributing from outside. It is derived from the greek exo meaning out.
Exogenous is a word referring to a factor or event coming or contributing from outside. It is derived from the greek exo meaning out. A combining form meaning “outside,” “outer,” “external,” used in the formation of compound words.