1. Root

 ǵʰeh₁u̯, ǵʰeu̯

2. Lexical meanings

 EN: gape, yawn

3. Comparative evidence

 Germanic

4. Formally comparable roots

 2.ǵʰeu̯, ǵʰeh₁b, ǵʰeh₁, ǵʰu̯elgʰ, ǵʰu̯elgʷʰ, ǵʰeh₁, ǵʰeh₁, ǵʰeh₁i̯, ǵʰeu̯d, ǵʰeu̯s, ǵʰu̯eh₁, ǵʰu̯eh₂, ǵʰu̯eh₃, ǵʰu̯en, ǵʰu̯er

5. Formally/Semantically comparable roots

 ǵʰeh₁i̯

6. Revised root variants

7. Comments

 Compare *ǵheh1i̯ (Watkins 2011: 32).

8. References

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