Reconstruction:Proto-Slavic/pyrь

Etymology 1
Most likely a substantive i-stem derivative from the direct-case stem of, cognate with 🇨🇬 (derived from the oblique-case stem). Further origin is disputed. Commonly proposed etymologies include:
 * From, whence 🇨🇬,.
 * From, whence 🇨🇬, 🇨🇬.
 * From, whence 🇨🇬,.

All of these roots may ultimately be w-extensions of 🇨🇬 (reflected by 🇨🇬, etc.). Perhaps, from there is semi-onomatopoeic 🇨🇬,.

Noun

 * 1)  remains of fire, smoldering ash, cinder
 * 2)  lye, product of combustion
 * 1)  lye, product of combustion

Derived terms

 * → East Slavic:
 * → East Slavic:
 * → East Slavic:
 * → East Slavic:

Descendants

 * East Slavic:
 * South Slavic:
 * Old Bulgarian:
 * West Slavic:
 * West Slavic:
 * West Slavic:
 * West Slavic:
 * West Slavic:

Etymology 2
Per Trubačev, probably resultant from an alternative semantic development of Etymology 1 stemming back from times. As a reason, he gives the circumstance that spelt needed to be treated thermally in order to be used. Similar semantic duality is observed in 🇨🇬 and. For further details, see the o-stem variant.

Possibly akin (via ter-stem) to 🇨🇬 (whence 🇨🇬) from one of the above mentioned roots.

Noun

 * : couch grass

Descendants

 * West Slavic:
 * Sorbian:
 * Sorbian:
 * Sorbian: