Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
καρπώσαι to yield LXX.Lev.2.11
εκάρπωσα yield LXX.Deut.26.14

Liddell-Scott-Jones

καρπόω (karpoō) to yield G:V

καρπόω,

bear fruit or bear as fruit, metaphorically, ὕβρις γὰρ ἐξανθοῦσ᾽ ἐκάρπωσε στάχυν ἄτης [Refs 4th c.BC+]:—passive, τὰ πλεῖστα τῶν ῥιζοφύτων καρπωθέντα [Refs 1st c.BC+]

__2 offer by way of sacrifice, [LXX]; ἐπὶ τοῦ βωμοῦ, of burnt-offerings, [Refs 4th c.BC+] —so in passive [Refs 5th c.AD+]
__II take as fruit or produce, [LXX]middle, καρπόομαι get fruit for oneself, i.e.,
__II.1 reap crops from, with accusative of things, [ἀρούρας] [Refs 5th c.BC+]; δὶς τοῦ ἐνιαυτοῦ τὴν γῆν καρποῦσθαι to crop the land twice a year, [Refs 5th c.BC+]: hence, exhaust, drain, exploit, καρπουμένῳ τὴν Ἑλλάδα [Refs 5th c.BC+]
__II.2 enjoy the usufruct or interest of money, ἔδωκεν ἑβδομήκοντα μνᾶς καρπώσασθαι [Refs]; τοὺς λιμένας καὶ τὰς ἀγορὰς καρποῦσθαι to derive profits from.. , [Refs 5th c.BC+]; [πλεονεξίαν] [Refs 4th c.BC+]perfect passive, τὸ ἐργαστήριον κεκαρπωμένος having enjoyed the profits of the shop, [Refs]: absolutely, make profit, [Refs 5th c.BC+]
__II.3 enjoy the free use of, τὰ αὐτοῦ ἀγαθὰ γιγνόμενα [Refs 5th c.BC+]; τὴν τῶν πολεμίων [Χώραν], τὰς τῶν θεῶν τιμάς, [Refs 5th c.BC+]; τὴν οἰκείαν ἀδεῶς κ. [Refs 4th c.BC+]
__II.4 simply, enjoy, ἄελπτον ὄμμα.. φήμης [Refs 5th c.BC+]: in bad sense, ἰδίας καρποῦσθαι λύπας [Refs 5th c.BC+]; τὰ ψευδῆ καλά[Refs 5th c.BC+]

LSJ Scripture Refs: LXX.Lev.2.11LXX.Deut.26.14