1819, "having the character or being in the condition of an embryo; pertaining or relating to an embryo or embryos," from medical Latin embryonem (see embryo) + -ic. Figurative use, "rudimentary, incomplete, inchoate" is from 1856. Earlier adjectives were embryonal (1650s), embryonate (1690s). Related: Embryonically.
in the embryonic stage
an embryonic nation, not yet self-governing
the embryonic government staffed by survivors of the massacre
embroider
embroidery
embroil
embryo
embryology
embryonic
emcee
-eme
emend
emendation
emerald