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.
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Proto-Slavic edit

Alternative forms edit

  • *-e- (after a soft consonant)

Etymology edit

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Interfix edit


  1. used in compound words; -o-
    *čьrnъ (black) + ‎*-o- + ‎*bylь (plant, herb) → ‎*čьrnobylь (mugwort)
    *bělъ (white) + ‎*-o- + ‎*golvъ (headed) → ‎*bělogolvъ (white headed)
    *dobrъ (good) + ‎*-o- + ‎*mirъ (peace) → ‎*Dobromirъ (given name)

Derived terms edit

Descendants edit

  • East Slavic:
    • Old East Slavic: -о- (-o-)
      • Middle Russian: -о- (-o-)
      • Old Ruthenian: -о- (-o-)
        • Belarusian: (stressed) -о- (-o-), (unstressed) -а- (-a-)
        • Carpathian Rusyn: -о- (-o-)
        • Ukrainian: -о- (-o-)
    • Old Novgorodian: -о- (-o-)
  • South Slavic:
    • Old Church Slavonic:
      Old Cyrillic script: -о- (-o-)
      Glagolitic script: -ⱁ- (-o-)
      • Church Slavonic: -о- (-o-)
      • Bulgarian: -о- (-o-)
      • Macedonian: -о- (-o-)
    • Serbo-Croatian:
      Cyrillic script: -о-
      Latin script: -o-
      • Slavomolisano: -o-
    • Slovene: -o-
  • West Slavic:
    • Old Czech: -o-
    • Old Polish: -o-
    • Polabian: -ü-
    • Pomeranian:
    • Slovak: -o-
    • Sorbian:
      • Lower Sorbian: -o-
      • Upper Sorbian: -o-