ὕδωρ

Etymology
From, from (genitive ), with  from the plural), from the root  (whence also ). Cognates include 🇨🇬, 🇨🇬, 🇨🇬, 🇨🇬, 🇨🇬, 🇨🇬, 🇨🇬 (🇨🇬), and 🇨🇬.

Noun

 * 1) water
 * 2) rainwater, rain
 * 3) sweat
 * 4) time (from the waterclocks of Greek legal systems)
 * 5) generally, liquid

Usage notes
The first upsilon is sometimes lengthened in poetry for the sake of meter: