Where does “glosa” come from?

glosa (French) comes from French gloser, from French glose, from Old French glose, from Medieval Latin glossa, from Ancient Greek γλῶσσᾰ — tongue; language; tongue.

glosa (French): third-person singular past historic of gloser

Definitions

third-person singular past historic of gloser

Ancestry of “glosa”, step by step

Step	Language	Word	Meaning
1	French	gloser	to annotate, gloss; to ramble on
2	French	glose	gloss; first/third-person singular present...
3	Old French	glose	—
4	Medieval Latin	glossa	explanation of a difficult word; an obsolete,...
5	Ancient Greek	γλῶσσᾰ	tongue; language; tongue

Every word from Ancient Greek γλῶσσᾰ →Every word from Medieval Latin glossa →Every word from Old French glose →