Comparative evidence

h₂es

• Hitt. hassik- 'satiate' (oneself), 'be satiated' (EDHIL: 324f.) According to Shatskov 2015: 988f. the root is rather h2eNs-.

References

EDHIL = Kloekhorst, A. 2008. Etymological Dictionary of the Hittite Inherited Lexicon. Brill.
Shatskov 2015 = Shatskov, A. 2015. Another verbal suffix in Hittite? Indo-European Linguistics and Classical Philology 19. P. 987–995.