Quick Definition
a plain token, sign, proof
Strong's Definition
an indication (concretely)
Derivation: from G1731 (ἐνδείκνυμι);
KJV Usage: manifest token
Thayer's Greek Lexicon
ἔνδειγμα, ἐνδειγτος, τά (ἐνδείκνυμι, token, evidence, proof (A. V. manifest token): 2Th_1:5 (cf. Buttmann, 153 (134)). (Plato, Critias, p. 110 b.; Demosthenes 423, 13.)
Mounce Concise Greek Dictionary
ἔνδειγμα endeigma 1x
a token, evidence, proof, 2Th_1:5
Abbott-Smith Greek Lexicon
* ἔν -δειγμα , -τος
( < ἐνδείκνυμι ),
a plain token, proof: 2Th_1:5 ( cf. ἔνδειξις , which refers rather to the "act of proving"; ἔ ., with the passive formation, to the thing proved, v. Lft., Notes , 100; M , Th ., l.c .).†
SYN.: τεκμήριον G5039 .
Liddell-Scott — Intermediate Greek Lexicon
ἔνδειγμα ἔνδειγμα, ατος, τό, (n e)ndeig ma_matos neut ) "a proof, token", Dem. [Etym: from ἐνδείκνυ_μι]
STEPBible — Tyndale Abridged Greek Lexicon
ἔν-δειγμα, -τος
(ἐνδείκνυμι),
a plain token, proof: 2Th.1:5 (cf. ἔνδειξις, which refers rather to the "act of proving"; ἔ., with the passive formation, to the thing proved, see Lft., Notes, 100; M, Th., l.with).†
SYN.: τεκμήριον (AS)