ὕπαρ

Etymology
From, generalized from the zero-grade of an r/n-stem of , whence also. Originally "sleep, dream"; the opposition to, led to the meaning "true dream", whence "reality". The r-stem appears also in 🇨🇬 and in 🇨🇬.

Noun

 * 1) reality, real appearance seen in a state of waking

Usage notes
This noun is only attested in nom. sg.