isthmian

形容词 isthmian:

1. of or relating to or forming an isthmus

isth.mi.an

adj.（形容词）
Of, relating to, or forming an isthmus.
地峡的：地峡的，关于地峡的或形成地峡的
Of or relating to the Isthmus of Corinth, especially with regard to the biennial Pan-Hellenic games held there in antiquity.
科林斯地峡的：科林斯地峡的，关于该地峡的，尤指关于古代在此地举行的两年一度的泛古希腊运动会