köken: Borrowed from Italian collina, from Late Latin collīna, from the feminine of Latin collīnus, from collis (“hill”) + -ina, from Proto-Indo-European *kl̥Hnís (“top, hill, rock”).
köken: From Late Latin collīna, possibly through French colline or Italian collina, From the feminine of Latin collīnus, from collis (“hill”), from Proto-Indo-European *kl̥Hnís (“hill”), from *kelH-.