Reconstruction:Proto-Slavic/kopъtь

This Proto-Slavic entry contains reconstructed terms and roots. As such, the term(s) in this entry are not directly attested, but are hypothesized to have existed based on comparative evidence.

Proto-Slavic

Etymology

Probably from Proto-Indo-European *kwep- ~ *kʷap- (“to steam, to boil, to stink”) + *-ъtь, akin to Lithuanian kvãpas (“aroma”) and possibly Ancient Greek κάπυς (kápus, “fume”), Latin vapor, Sanskrit कपि (kapi, “murky, aromatic”).

Noun

*kopъtь f^[1]

soot
Synonym: *saďa
steam, fume, smoke (usually thick and dark)
Synonym: *dymъ

Alternative forms

*kopъtъ m

Declension

Declension of *kopъtь (i-stem)

	singular	dual	plural
nominative	*kopъtь	*kopъti	*kopъti
genitive	*kopъti	kopъtьju, kopъťu^*	kopъtьjь, kopъti^*
dative	*kopъti	*kopъtьma	*kopъtьmъ
accusative	*kopъtь	*kopъti	*kopъti
instrumental	kopъtьjǫ, kopъťǫ^*	*kopъtьma	*kopъtьmi
locative	*kopъti	kopъtьju, kopъťu^*	*kopъtьxъ
vocative	*kopъti	*kopъti	*kopъti

^* The second form occurs in languages that contract early across /j/ (e.g. Czech), while the first form occurs in languages that do not (e.g. Russian).

Derived terms

*kopъtěti, *kopъtiti (“to darken, to dim”)

Related terms

*kopněti (“to melt, to yearn for”)
*kypěti (“to boil up”)

Descendants

East Slavic:
- Old East Slavic: копоть f (kopotĭ)
- Belarusian: ко́паць f (kópacʹ)
- Russian: ко́поть f (kópotʹ)
- Ukrainian: кі́поть m (kípotʹ)
West Slavic:
- Old Czech: kopet m
  - Czech: kopt
- Polish: kopeć m
- Sorbian:
  Upper Sorbian: kорć m
  
  Lower Sorbian: kopś m

References

^ Derksen, Rick (2008) “*kopъtъ, *kopъtь”, in Etymological Dictionary of the Slavic Inherited Lexicon (Leiden Indo-European Etymological Dictionary Series; 4), Leiden, Boston: Brill, →ISBN, page 233

[1] Derksen, Rick (2008) “*kopъtъ, *kopъtь”, in Etymological Dictionary of the Slavic Inherited Lexicon (Leiden Indo-European Etymological Dictionary Series; 4), Leiden, Boston: Brill, →ISBN, page 233

[1]