Abbott-Smith Manual Greek Lexicon
θυρωρός (G2377)
4 θυρωρός , -οῦ, ὁ, ἡ ( θύρα , + οὖρος , a guardian ), [in LXX: IV Ki 7:11 ( שׁוֹעֵר ), Ez 44:11 ( פְּקֻדָּה ), II Ki 4:6 , I Es 7 *;] a door-keeper , porter : ὁ , Mk 13:34 , Jo 10:3 ; ἡ , Jo 18:16 , 17 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain