LSJ
ὁ, = κατήγορος, PMagLond. 124.25, v.l. in Apoc. 12.10.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
TBESG
κατήγωρ, ὁ (Aram. קָטִיגוֺר; Dalman, Gr., 185; but see Deiss., LAE, 90 f.),
= κατήγορος,
an accuser: Rev.12:10.†
(AS)
Translators Brief lexicon of Extended Strongs for Greek based on Abbot-Smith, A Manual Greek Lexicon of the New Testament (1922) (=AS), with corrections and adapted by Tyndale Scholars