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satrapy: P. σατραπεία, ἡ.
in Roman sense: P. ἐπαρχία, ἡ (late).
function: P. and V. ἔργον, τό, τάξις, ἡ.
part, division: P. and V. μέρος, τό.
provinces, country, as opposed to town: use P. and V. χώρα, ἡ.