逢坂の関

Etymology
refers to.

Proper noun

 * 1)  a mountain checkpoint west of Kyoto, bordering the ancient provinces of Yamashiro and Omi
 * [Note: Ōsaka puns to . The Hyakunin Isshu, poem 10 replaces wakaretsutsu with .]
 * [Note: Ōsaka puns to . The Hyakunin Isshu, poem 10 replaces wakaretsutsu with .]
 * [Note: Ōsaka puns to . The Hyakunin Isshu, poem 10 replaces wakaretsutsu with .]