τακτέον
From LSJ
ἀλλήλων τὰ βάρη βαστάζετε, καὶ οὕτως ἀναπληρώσετε τὸν νόμον τοῦ Χριστοῦ → bear each other's burdens, and in that way fulfill the anointed King's Law (Galatians 6:2)
English (LSJ)
one must arrange in order, Pl.Lg.631d, Str.9.3.9, Gal. 18(1).780, etc.
Russian (Dvoretsky)
τακτέον: adj. verb. к τάσσω.