Abbott-Smith Manual Greek Lexicon
ἔκ-δηλος (G1552)
1 ** ἔκ-δηλος , -ον ( δῆλος ), [in LXX: III Mac 3:19 6:5 * ;] strengthened form of δῆλος , q.v., quite clear, evident : II Ti 3:9 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain