Reconstruction:Proto-Slavic/ręsa

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

Per Vasmer, originating from *ręditi (“to arrange”) +‎ *-sa.

Noun

*ręsà f

1. edge
2. eyelashes (collectively)
3. duckweed

Inflection

Declension of *ręsà (hard a-stem, accent paradigm c)

	singular	dual	plural
nominative	*ręsà	*rę̑sě	*rę̑sy
genitive	*ręsý	*ręsù	*rę̃sъ
dative	*ręsě̀	*ręsàma	*ręsàmъ
accusative	*rę̑sǫ	*rę̑sě	*rę̑sy
instrumental	*ręsojǫ́	*ręsàma	*ręsàmi
locative	*rę̑sě	*ręsù	*ręsàsъ, *ręsàxъ*
vocative	*ręso	*rę̑sě	*rę̑sy

^* -asъ is the expected Balto-Slavic form but is found only in some Old Czech documents; -axъ is found everywhere else and is formed by analogy with other locative plurals in -xъ.

Derived terms

• *ręsьnъ (“dense, interlaced”)
• *ręsьna (“fringe”)
• *ręsьnica (“eyelash”) (diminutive form)
• *ręsьka (“cilium”)

Descendants

• East Slavic:
  • Old East Slavic: ряса (rjasa)
    • Russian: ряса (rjasa)
    • Ukrainian: ряса (rjasa)
• South Slavic:
  • Old Church Slavonic:

    Cyrillic: рѧса (ręsa)

    Glagolitic: ⱃⱑⱄⰰ (rěsa)

  • Bulgarian: реса (resa, “contour strand (in sewing)”)
  • Macedonian: реса (resa, “tassel”)
  • Serbo-Croatian: ре́са (“turf”)
  • Slovene: rẹ́sа
• West Slavic:
  • Czech: řasa
  • Polish: rzęsa
  • Slovak: riasa (“seaweed”)
  • Sorbian:
    • Lower Sorbian: rěsа
    • Upper Sorbian: rjasa

References

• Vasmer, Max (1964–1973) “ря́са”, in Oleg Trubachyov, transl., Этимологический словарь русского языка [Etymological Dictionary of the Russian Language] (in Russian), Moscow: Progress