ծո

• ծօ (cō) — traditional orthography

From Middle Armenian ծօ (cō), from Old Armenian ծօլա (cōla), from Old Georgian წული (c̣uli).

• (Eastern Armenian, standard) IPA^(key): /t͡so/ [t͡so] invalid IPA characters (//[])
• (Western Armenian, standard) IPA^(key): /d͡zo/ [d͡zo] invalid IPA characters (//[])

ծո • (co) (dialectal, colloquial)

1. used to address or call a familiar person, traditionally a male, often implying on the part of the speaker some degree of authority or annoyance

   Synonyms: տո (to), այ տղա (ay tġa), արա (ara)

2. woe! alas!

   Synonyms: ափսոս (apʻsos), վայ (vay), ավաղ (avaġ)

3. exclamation expressing surprise

Apparently, in the Van dialect, this word was used mainly by a man to address his wife, unlike in other dialects.

• քա (kʻa)

• Ačaṙean, Hračʻeay (1973) “ծօ”, in Hayerēn armatakan baṙaran [Armenian Etymological Dictionary] (in Armenian), 2nd edition, a reprint of the original 1926–1935 seven-volume edition, volume II, Yerevan: University Press, page 476
• Aġayan, Ēduard (1976) “ծո”, in Ardi hayereni bacʻatrakan baṙaran [Explanatory Dictionary of Contemporary Armenian] (in Armenian), volume I, Yerevan: Hayastan, page 656a
• Sargsyan, Artem et al., editors (2002), “ծո”, in Hayocʻ lezvi barbaṙayin baṙaran [Dialectal Dictionary of the Armenian Language] (in Armenian), volume 2, Yerevan: Hayastan, page 419