Abbott-Smith Manual Greek Lexicon
οἷος (G3634)
14 οἷος , -α, -ον , relat. pron. , qualitative (related to ὅς as qualis to qui ), what sort or manner of , such as , in NT usually without its correl. τοιοῦτος : Mt 24:21 , Mk 9:3 , II Co 12:20 , I Th 1:5 , II Ti 3:11 , Re 16:18 ; seq. τοιοῦτος , I Co 15:48 , II Co 10:11 ; id. redundant, Mk 13:19 ; τ. αὐτὸν . . . σἷον , Phl 1:30 ; οὐχ οἷον δὲ ὅτι , elliptically, but it is not as though (RV), Ro 9:6 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain