हस्

Etymology
From. Compare the reduplicated root. There is a wide variety of variation in Indo-Aryan forms, as well as in a possible connection to Iranian. An attempt is made to explain their development below. The best way to formally reconcile these varied forms is to reconstruct, from. This root's descendants have only been found in Indo-Iranian, and it may have origins as a natural exclamation, though this is difficult to prove.


 * 🇨🇬: 🇨🇬 → well described by . This offers initial evidence for the initial consonant of the root being.
 * PIE:
 * → pre-PII:
 * → PII: (assimilation of aspiration; may have occurred earlier)
 * → PIA: (TST assimilation)
 * → OIA: (Grassman's law)
 * → Vedic: ; MIA:
 * 🇨🇬, a dialectal form in the Rigveda, albeit formally cognate with, is difficult to fit into this paradigm. Perhaps metathesis can explain it.
 * PIE:
 * → pre-PII:
 * → PII:
 * → PIA:
 * → OIA:
 * → Vedic:
 * 🇨🇬, is often tied to this root, given the similar  from this root. This is not uncontroversial. Tentatively, it is possible that this is a feminine diminutive nominal 🇨🇬, from 🇨🇬.
 * 🇨🇬 has been interpreted to mean "laughable" and is mentioned as the formal cognate of but this interpretation is uncertain. Moreover, there are formal problems as  reflects a 🇨🇬 from a 🇨🇬.
 * 🇨🇬 has been interpreted to mean "laughable" and is mentioned as the formal cognate of but this interpretation is uncertain. Moreover, there are formal problems as  reflects a 🇨🇬 from a 🇨🇬.

Root

 * 1) laugh, smile