Where does “Grande-Terre” come from?

Grande-Terre (English) comes from French Grande-Terre, from French grand, from Middle French grand, from Old French grant, from Old French -ur, from Latin -or, from Proto-Italic -ōs, from Proto-Indo-European -ōs — Creates action nouns or result nouns from verbs;...

Ancestry of “Grande-Terre”, step by step

StepLanguageWordMeaning
1FrenchGrande-Terre
2Frenchgrandbig, great, grand; tall; Great, an honorific...
3Middle Frenchgrandbig; large
4Old Frenchgrantbig, large
5Old French-ur-er, used for form agent nouns
6Latin-orused to form a third-declension masculine...
7Proto-Italic-ōsCreates masculine action nouns or result nouns...
8Proto-Indo-European-ōsCreates masculine and feminine action nouns or...
9Proto-Indo-European-oss
10Proto-Indo-European-osCreates action nouns or result nouns from verbs;...
Every word from Proto-Indo-European -osEvery word from Latin -orEvery word from Old French -ur