1. Root

 h₂ei̯r

2. Lexical meanings

 DE: Morgen, Tag

3. Comparative evidence

4. Formally comparable roots

 1.h₂ei̯, 2.h₂ei̯, h₂ei̯g, h₂ei̯ǵʰ, h₂ei̯ḱ, h₂i̯aǵ, h₂i̯eh₁, h₂i̯eu̯dʰ, h₂ei̯d, h₂ei̯dʰ, h₂ei̯k, h₂ei̯m, h₂ei̯s, h₂ei̯sd, h₂ei̯u̯, h₂ei̯ǵ, h₂ei̯ḱ

5. Formally/Semantically comparable roots

6. Revised root variants

7. Comments

8. References

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