(îò ñð.-âåê. ëàò. identicus - òîæäåñòâåííûé - îäèíàêîâûé),òîæäåñòâåííîñòü, ñîâïàäåíèå ÷åãî-íèáóäü ñ ÷åì-íèáóäü.
