Where does “оцьтъ” come from?
оцьтъ (Old Church Slavonic) comes from Proto-Slavic ocьtъ, from Gothic 𐌰𐌺𐌴𐌹𐍄, from Latin acētum, from French -ate, from Latin -ātus, from Proto-Italic -ātos, from Proto-Indo-European -éh₂tos.
оцьтъ (Old Church Slavonic): vinegar
Ancestry of “оцьтъ”, step by step