Abbott-Smith Manual Greek Lexicon
ἐνύπνιον (G1798)
1 ἐνύπνιον , -ου, τό ( ὕπνος ), [in LXX chiefly for חֲלוֹם ;] a dream : pl., Ac 2:17 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain
Strong's G1798 · Greek
ἐνύπνιον
enupnion · en-oop'-nee-on
from 1722 and 5258; something seen in sleep, i.e. a dream (vision in a dream)