Inherited fromProto-Balto-Slavic [Term?] , fromProto-Indo-European *ō , ultimately a natural expression.
CompareAncient Greek ὦ ( ô ) ,Latin ō ,Old Irish a ,Gothic 𐍉 ( ō ) ,Old Armenian ով ( ov ) ,Albanian o . Although the Proto-Indo-European form is reconstructed, this interjection could arise at any stage.
As Trubachyov, there is no linkage to other Indo-European interjections.
*o [ 1] [ 2]
Used to express strong emotions ;oh !Used before a noun in the vocative ;O ...
East Slavic:Old East Slavic:о ( o ) Belarusian:го ( ho ) ,о ( o ) ( dialectal ) Ukrainian:о ( o ) Russian:о ( o ) South Slavic:Old Church Slavonic:Old Cyrillic script:о ( o ) Bulgarian:о ( o ) Macedonian:о ( o ) Serbo-Croatian:Latin script:o Cyrillic script:о Slovene:ō West Slavic:Czech:o ,ó Old Polish:o Slovak:o ,ó Sorbian:Lower Sorbian:o Upper Sorbian:o Pomeranian: ^ Trubachyov, Oleg , editor (1999 ), “*o ”, inЭтимологический словарь славянских языков [Etymological dictionary of Slavic languages ] (in Russian), numbers 26 (*novoukъ(jь) – *obgorditi ), Moscow: Nauka,→ISBN , page70 ^ Boryś, Wiesław (2005 ), “o! ”, inSłownik etymologiczny języka polskiego (in Polish), Kraków: Wydawnictwo Literackie,→ISBN , page369 Vasmer, Max (1964–1973 ), “о ”, inOleg Trubachyov , transl.,Этимологический словарь русского языка [Etymological Dictionary of the Russian Language ] (in Russian), Moscow: Progress