The Greek Word "Romaios" (In Progress)

 What do the scholarly sources and Greek lexica have to say about Ῥωμαῖος?

BDAG Entry for Romaios

LSJ: Ῥωμ-αῖος, α, ον, a Roman, Plb. 10.36.3, etc.; τὰ Ῥωμαῖα ludi Romani, D.C. 37.8 .

Louw-Nida Greek and English Lexicon: 93.562 Ῥωμαῖος, ου m: (derivative of  Ῥώμη ‘Rome,’ 93.563) a person who lives in or is a native of Rome or a citizen of the Roman Empire - ‘a Roman’ (Ac 2.10; 22.25).

George Abbott-Smith Greek-English Lexicon: Ῥωμαῖος, -α, -ον

Roman: Jo 11:48, Ac 2:10 (RV, from Rome), Ac 16:21, 37, 38 22:25-27, 29 23:27 25:16 28:17.†

Places in Maccabees Where "Romans" Are Mentioned: 1 Maccabees 8:1; 2 Maccabees 8:10, 36.

See the reference to the "Roman citizen" here: https://www.papyri.info/hgv/19500