1. Root

 2.ǵʰei̯

2. Lexical meanings

 EN: winter

3. Comparative evidence

4. Formally comparable roots

 1.ǵʰei̯, ǵʰei̯s, ǵʰei̯sd, ǵʰei̯gʰ, ǵʰei̯ǵʰ, ǵʰi̯em

5. Formally/Semantically comparable roots

 ǵʰi̯em

6. Revised root variants

 ǵʰi̯em

7. Comments

8. References

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