Strong's Greek Concordance

G1798: ἐνύπνιον

enýpnion · “dream”

Definition

something seen in sleep, i.e. a dream (vision in a dream)

KJV translates it as: dream

Word origin: from G1722 (ἐν) and G5258 (ὕπνος);

ἐνύπνιον, -ου, τό
(ὕπνος), [in LXX chiefly for חֲלוֹם ;]
a dream: pl., Act.2:17.†
(AS)

Abbott-Smith Manual Greek Lexicon (1922) via STEPBible TBESG (CC BY 4.0).

Enýpnion appears in 1 verse.

Acts 2:17
And it shall come to pass in the last days, saith God, I will pour out of my Spirit upon all flesh: and your sons and your daughters shall prophesy, and your young men shall see visions, and your old men shall dream dreams:

enypniázomai — to dream