Where does “воротца” come from?

воротца (Russian) comes from Russian воро́та, from Bulgarian -а́р, from Proto-Slavic -ařь, from Gothic -𐌰𐍂𐌴𐌹𐍃, from Proto-Germanic -ārijaz, from Latin -ārius, from Proto-Italic *-āzios.

воротца (Russian): endearing diminutive of воро́та : gates, wicket;...