以い南なん

noun, used as a suffix

south of ...; ... and southward

Suffix attached to a place name or area to indicate the region south of that reference point, or including that point and extending southward.

• この線せん路ろは東とう京きょう以い南なんで大おおきく遅おくれている。

  This train line is heavily delayed south of Tokyo.

• 関かん東とう以い南なんでは梅雨つゆ入いりが発はっ表ぴょうされた。

  The start of the rainy season was announced for the Kanto region and southward.