Dictionary entry

ὀρεινός

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

ὀρεινός (WH, ὀριν-; v. MM, xviii,) -ή, -όν

(< ὄρος),

mountainous, hilly; ἡ ὀ. (sc. χώρα), the hill-country (LXX for הַר): Lk 1:39, 65.†