gen

-gen \-gen\ [(1) From Gr. -gen-, from the same root as ge`nos race, stock (see {Genus}). (2) From Gr. suffix -genh`s born. Cf. F. -g[`e]ne.] 1. A suffix used in scientific words in the sense of producing, generating: as, amphigen, amidogen, halogen. [1913 Webster] 2. A suffix meaning produced, generated; as, exogen. [1913 Webster]