LSJ
fut. -δάσομαι [α], Ep. -δάσσομαι ; Ep. aor. -δασσάμην Theoc. 17.50, inf. -δάτταθθαι Leg. Gort. 4.29: — portion out to others, apportion, ἥμισν τῷ ἐνάρων ἀποδάσσομαι Il. 17.231; Ἀχαιοῖς ἄλλ’ ἀποδάσσεσθαι 22.118; σοὶ δ’ αὖ… τῶνδ’ ἀποδάσσομαι ὅσσ’ ἐπέοικεν 24.595; πάντων ἴσον Pi. N. 10.86, cf. Call. Del. 9, etc.
part off, separate, ἀποδασάμενος μόριον ὅσον δὴ τῆς στρατιῆς Hdt. 2.103.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)