Where does “desacordar” come from?

desacordar (Spanish) comes from Spanish acordar, from Vulgar Latin accordare, from Latin Ad, from Latin illic, from Latin ille, from Latin olle, from Proto-Italic *olnos — that.

desacordar (Spanish): to tune flat

Definitions

to tune flat

Ancestry of “desacordar”, step by step

Step	Language	Word	Meaning
1	Spanish	acordar	to decide, arrange; to agree; to reach agreement
2	Vulgar Latin	accordare	—
3	Latin	Ad	toward, to
4	Latin	illic	he, she, it, yonder, that, overthere; in that...
5	Latin	ille	that; those; "; demonstrative pronoun "; that...
6	Latin	olle	Archaic form of ille
7	Proto-Italic	*olnos	that

Every word from Proto-Italic *olnos →Every word from Latin olle →Every word from Latin ille →