Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
αποπεμπτωσάτωσαν let them take a fifth LXX.Gen.41.34
αποπεμπτούν to take a fifth LXX.Gen.47.26

Liddell-Scott-Jones

ἀποπεμπτόω (apopemptoō) to take a fifth part G:V

ἀποπεμπτόω,

give a fifth part of, τι [LXX]

__II take a fifth part of, [Refs]

LSJ Scripture Refs: LXX.Gen.47.26