Reconstruction:Proto-Indo-European/dyḗws

Etymology
From earlier, from.

Noun

 * 1)  sky, heaven
 * 2)  sky god, Dyeus

Inflection
Notes:
 * Acc. sg. dyḗm (< *dyéw-m per Stang's law).
 * Nom. sg. dyḗws (with ē from acc. case).
 * For the name of the deity, is often added as an apposition, which inflects as well.

Compare with the attested Sanskrit forms



Usage notes
Some authors gloss this word as “day sky” or “day-sky god”, assuming (based on Indo-European mythology) that Proto-Indo-European distinguished terms for the night sky and its associated deity.