𐍆𐍂𐌹𐌿𐍃

Etymology
Of unclear derivation. The formation is similar to, though this formation features the zero-grade of the root. Sturvevant proposed (according to Lehmann 1986) that it derives from an unattested adjective. Ultimately from

Noun

 * 1)    cold low temperature

Declension
Only attested in the dative singular ; it may have been a masculine or neuter a-stem, or possibly a masculine i-stem. Lehmann (1986) hesitantly assumes a neuter a-stem.