Maritime

google

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mid 16th century: from Latin maritimus, from mare ‘sea’.

wiktionary

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Borrowed from Middle French maritime, from Latin maritimus.

etymonline

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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.