From karpophoros; to be fertile (literally or figuratively) -- be (bear, bring forth) fruit(-ful).
see GREEK karpophoros
a. properly, ((Xenophon, Aristotle), Theophrastus, de hist. plant. 3, 3, 7; Diodorus 2, 49): χόρτον, Mark 4:28 (φυτά, Wis. 10:7).
b. metaphorically, to bear, bring forth, deeds: thus of men who show their knowledge of religion by their conduct, Matthew 13:23; Mark 4:20; Luke 8:15; ἐν (for R G L Tr marginal reading WH marginal reading ἐν (cf. Buttmann, 103 (90), see εἷς, 4 a.)) τριάκοντα etc. namely, καρποις, Mark 4:20 T Tr text WH text (see ἐν, I. 5 f.); ἐν παντί ἔργῳ ἀγαθῷ, Colossians 1:10; τίνι (dative commodi]) to one who reaps the fruit, i. e. fruit acceptable to him, τῷ Θεῷ, Romans 7:4; τῷ θανάτῳ, i. e. (without the figure) to produce works rewarded with death, Romans 7:5; in middle to bear fruit of oneself, Colossians 1:6 (cf. Lightfoot at the passage).