Usage: 3 forms in 3 verses
Form Translated As     In Verse(s)
προσεδίδου in addition LXX.Ezek.16.33
προσδιδόναι in addition LXX.Ezek.16.34
προσέδωκέ he gave in addition LXX.Gen.29.33

Liddell-Scott-Jones

προσδίδωμι (prosdidōmi) to give in addition G:V

προσδίδωμι,

give or pay in addition, ἀεὶ πλείω π. [LXX+5th c.BC+]:—passive, to be given or paid in addition, προσδίδοσθαι τὸ ἐπιβάλλον τοῦ μισθοῦ [Refs 4th c.BC+]; τὸ προσδοθὲν ἐπὶ τὸν λύχνον (i.e. ἔλαιον) [Refs 3rd c.BC+]

__II give a share of, οὐ χρή μ᾽ ἀδελφοῖς τοῦδε προσδοῦναι ποτο; [Refs 5th c.BC+]; especially dole out, of a sacrificing priest, τὰ σπλάγχνα τοῦ μάντεως αὐτῷ προσδόντος [Refs 1st c.AD+]; οὐδεὶς προσδώσει [μοι] τῶν σπλάγχνω; [Refs 5th c.BC+]; τῆς ὑγιίης.. οἱ πρόσδος give him (the sacristan) some of the health-offering, [Refs 3rd c.BC+]: hence, dole or give in charity, βορᾶς μέρος [Refs 5th c.BC+]
__III concede, permit of, [Refs 2nd c.AD+]
__IV hand a thing to a person, δελτάριον τῷ Κάτωνι [Refs 1st c.AD+]

LSJ Scripture Refs: LXX.Gen.29.33