Where does “mattamore” come from?

mattamore (English) comes from French matamore, from Spanish Matamoros, from Spanish moro, from Latin maurus, from French maure, from Middle French moré, from Old French More, from Latin Maurus — Creates adjectives from noun or verb stems.

mattamore (English): An underground storage place for grain

Definitions

An underground storage place for grain

Ancestry of “mattamore”, step by step

Step	Language	Word	Meaning
1	French	matamore	braggart, blusterer
2	Spanish	Matamoros	located on the Mexico–United States border
3	Spanish	moro	a Moor; a Muslim or Arab, particularly Muslims in...
4	Latin	maurus	Moorish, North African
5	French	maure	Moorish
6	Middle French	moré	Moor (person of Berber descent)
7	Old French	More	—
8	Latin	Maurus	Of or pertaining to the Moors; Moorish,...
9	Ancient Greek	Μαυρούσιος	an inhabitant of Mauretania; a Mauretanian
10	Ancient Greek	-ούσιος	forms relational adjectives: of or pertaining to
11	Ancient Greek	-ῐος	belonging to; of”, “belonging to”, “pertaining to
12	Proto-Indo-European	-yós	Creates adjectives from noun or verb stems

Every word from Proto-Indo-European -yós →Every word from Ancient Greek -ῐος →Every word from Ancient Greek -ούσιος →