Word Study
isthmian
CIDE DICTIONARY
isthmian, a. [L. Isthmius, Gr. . See Isthmus.].
Of or pertaining to an isthmus, especially to the Isthmus of Corinth, in Greece. [1913 Webster]
OXFORD DICTIONARY
isthmian, adj. of or relating to an isthmus, esp. (Isthmian) to the Isthmus of Corinth in southern Greece.
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