"conveying outward or away," 1827, from Latin efferentem (nominative efferens), present participle of effere "to carry out or away, bring forth," from assimilated form of ex "out" (see ex-) + ferre "to bear, carry," from PIE root *bher- (1) "to carry." As a noun from 1876.
efferent nerves and impulses
effectual
effectuate
effeminacy
effeminate
effendi
efferent
effervesce
effervescence
effervescent
effete
efficacious