Where does “Acadian Coast” come from?

Acadian Coast (English) comes from English coast, from Middle English coste, from Old French costé, from Latin costātus, from Latin costa, from Proto-Indo-European kost-.

Acadian Coast (English): The west coast of the Bay of Fundy that was settled by French colonists to the colony of Acadia in New France of French North America; now part of the east coast of the Canadian province of New Brunswick

Definitions

The west coast of the Bay of Fundy that was settled by French colonists to the colony of Acadia in New France of French North America; now part of the east coast of the Canadian province of New Brunswick

Ancestry of “Acadian Coast”, step by step

Acadian Coast traces back through two separate lines of ancestry.

via English coast

Step	Language	Word	Meaning
1	English	coast	The edge of the land where it meets an ocean,...
2	Middle English	coste	—
3	Old French	costé	side
4	Latin	costātus	ribbed
5	Latin	costa	a rib; a side, a wall
6	Proto-Indo-European	kost-	—

via English Acadian

Step	Language	Word	Meaning
1	English	Acadian	Of or pertaining to Acadia, its people, or their...
2	English	Acadia	Acadia National Park, a national park in Maine
3	Italian	Arcadia	—
4	Ancient Greek	Ἀρκαδία	Arcadia
5	Ancient Greek	Ἀρκάς	an inhabitant of Arcadia; an Arcadian
6	Mycenaean Greek	𐀀𐀏	—

Every word from Proto-Indo-European kost- →Every word from Latin costa →Every word from Latin costātus →