Lexical Definition

‎αἴνιγμα‎ aínigma (ah'-ee-nig-ma) obscure thing ^G:N-N
from a derivative of ‎αἶνος‎ (in its primary sense)

X darkly.

• an obscure saying ("enigma"), i.e. (abstractly) obscureness

Abbott-Smith

αἴνιγμα, -ατος, τό (< αἰνίσσομαι, to speak in riddles; < αἰνός = δεινός, dread, strange), [in LXX for חִידָה, Nu 12:8 and always exc. De 28:37 (שַׁמָּה);]
a dark saying, riddle: I Co 13:12 (cf. Nu 12:8).†

Abbott-Smith References

Liddell-Scott-Jones

αἴνιγμα, ατος, τό,

dark saying, riddle, [LXX+5th c.BC+] in riddles, darkly, [NT+4th c.BC+]; αἴ. προβάλλειν, ξυντιθέναι, πλέκειν to make a riddle, [Refs 5th c.BC+]; opposed to διειπεῖν, εἰδέναι, [Refs 5th c.BC+]

__II taunt, [Refs 5th c.AD+]
__III ambush [Refs 4th c.AD+]

_{LSJ Scripture Refs: LXX.Deut.28.37 ☩ 1Cor.13.12}