Reconstruction:Proto-Slavic/ustьje

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

From *usta +‎ *-ьje.

Noun

*ustьje n

1. mouth, rivermouth

Inflection

Declension of *ustьje (soft o-stem)

	singular	dual	plural
nominative	*ustьje	*ustьji	*ustьja
genitive	*ustьja	*ustьju	*ustьjь
dative	*ustьju	*ustьjema	*ustьjemъ
accusative	*ustьje	*ustьji	*ustьja
instrumental	*ustьjьmь, *ustьjemь*	*ustьjema	*ustьji
locative	*ustьji	*ustьju	*ustьjixъ
vocative	*ustьje	*ustьji	*ustьja

^* -ьmь in North Slavic, -emь in South Slavic.

Descendants

• East Slavic:
  • Old East Slavic: устье (ustĭje)
    • Old Ruthenian: устье (ustʹje), вустье (vustʹje), устие (ustije)
      • Belarusian: ву́сце (vúscje), ву́сьці (vúsʹci), ву́сьця (vúsʹcja), ву́сьте (vúsʹtje)
      • Ukrainian: у́стя (ústja), ву́стя (vústja), ву́стє (vústje), у́стє (ústje), у́сця (úscja)
    • Russian: у́стье (ústʹje)
• South Slavic:
  • Bulgarian: у́стие (ústie)
  • Macedonian: устие (ustie)
  • Serbo-Croatian:

    Cyrillic script: у̑шће

    Latin script: ȗšće

  • Slovene: ūstje (tonal orthography)
• West Slavic:
  • Old Czech: ústie
    • Czech: ústí
  • Old Polish: huszcie, huście, uszcie, uście
    • Polish: ujście
  • Slovak: ústie

Further reading

• Vasmer, Max (1964–1973) “у́стье”, in Oleg Trubachyov, transl., Этимологический словарь русского языка [Etymological Dictionary of the Russian Language] (in Russian), Moscow: Progress
• Martynaŭ, V. U., editor (1980), “ву́сце”, in Этымалагічны слоўнік беларускай мовы [Etymological Dictionary of the Belarusian Language] (in Belarusian), volumes 2 (ва – вяшчэ́ль), Minsk: Navuka i technika