1. Root

 1.h₂u̯es, 1.h₂eu̯s, 1.h₁eu̯s

2. Lexical meanings

 DE: hell werden
EN: dawn, shine

3. Comparative evidence

 Indic

4. Formally comparable roots

 1.h₁eu̯, 1.h₁eu̯h₁, 1.h₁eu̯h₂, 1.h₁eu̯h₃, 1.h₂eu̯, 1.h₂eu̯g, 1.h₂eu̯s, 2.h₁eu̯, 2.h₁eu̯h₂, 2.h₂eu̯, 2.h₂eu̯g, 2.h₂eu̯s, 2.h₂u̯es, 3.h₂eu̯s, 3.h₂u̯es, 4.h₂eu̯s, h₁eu̯, h₂eu̯, h₁u̯eldʰ, h₁u̯erdʰ, h₂u̯eldʰ, h₂u̯erdʰ, h₁u̯er, h₂u̯er, h₁eu̯dʰ, h₁eu̯k, h₁eu̯s, h₁u̯egʷʰ, h₁u̯eh₂, h₁u̯eld, h₁u̯erh₁, h₁u̯erh₂, h₁u̯erh₃, h₂eu̯h₁, h₂eu̯h₂, h₂eu̯h₃, h₂eu̯kʷ, h₂u̯edh₁, h₂u̯edh₂, h₂u̯edh₃, h₂u̯edʰ, h₂u̯eg, h₂u̯eh₁, h₂u̯ei̯, h₂u̯ei̯d, h₂u̯ei̯s, h₂u̯eks, h₂u̯elk, h₂u̯er, h₂u̯erg, h₂u̯erh₁, h₂u̯ers, h₂u̯ert, h₂u̯et, h₂u̯egʰ, h₂u̯eǵʰ, h₂u̯i̯edʰ

5. Formally/Semantically comparable roots

 2.h₂eu̯g, h₁u̯eh₂, h₂u̯eh₁

6. Revised root variants

7. Comments

 Watkins 2011: 6: perhaps an extension of *h1au̯- ‚perceive‘ (see *h1eu̯-)

8. References

LIV = Rix, Helmut et al. 2001. Lexikon der indogermanischen Verben: Die Wurzeln und ihre Primärstammbildungen. 2 Aufl. Wiesbaden: Dr. Ludwig Reichert Verlag.

NIL = Wodko Dagmar S., Britta Irslinger, Carolin Schneider (eds.). 2008. Nomina im Indogermanischen Lexikon. Heidelberg: Winter.

Watkins 2011 = Watkins, Calvert. 2011. The American heritage dictionary of Indo-European roots. 3rd revised ed. Boston, New York: Houghton Mifflin Harcourt.