Abbott-Smith Manual Greek Lexicon
ἀνα-βαθμός (G304)
2 ἀνα-βαθμός , -οῦ, ὁ ( ἀναβαίνω ), [in LXX for מַעֲלָה : III Ki 10:19 , 20 , IV Ki 9:13 20:9 ff, II Ch 9:18 , 19 , Is 38:8 , Ez 40:6 , 49 ; ᾠδὴ τῶν ἀ. , tit. 119(120)-133(134)*;] a going up , an ascent (Pss, tit. 119(120)-133(134) ?). a step (LXX); pl., a flight of stairs : Ac 21:35 , 40 . (On the formation -θμός , v. MM, VGT , s.v.)†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain