maritime (adj.)

1540s, "of or pertaining to the sea," from French maritime (16c.) or directly from Latin maritimus "of the sea, near the sea," from mare (genitive maris) "sea" (from PIE root *mori- "body of water") + Latin ending -timus, originally a superlative suffix (compare intimus "inmost," ultimus "last"), here denoting "close association with." Maritimes "seacoast regions of a country" is from 1590s; specifically of the southeasternmost provinces of Canada adjoining the Atlantic Ocean by 1921.