Comparative evidence

2.h₁ai̯

• Hitt. ā- / i- 'be hot' (EDHIL: 164f.)

• Hitt. inu- 'make hot', 'fry' (EDHIL: 164f.)

References

EDHIL = Kloekhorst, A. 2008. Etymological Dictionary of the Hittite Inherited Lexicon. Brill.