Where does “avoir a contrecuer” come from?

avoir a contrecuer (Old French) comes from Old French contre-cœur, from Old French contre, from Latin contrā, from Latin ubī, from Latin cubī, from Proto-Italic *kʷuðei — where.

Ancestry of “avoir a contrecuer”, step by step

avoir a contrecuer traces back through two separate lines of ancestry.

via Old French contre-cœur

Step	Language	Word	Meaning
1	Old French	contre-cœur	—
2	Old French	contre	against
3	Latin	contrā	against
4	Latin	ubī	where? in what place?, in which place?
5	Latin	cubī	—
6	Proto-Italic	*kʷuðei	where

via Old French à

Step	Language	Word	Meaning
1	Old French	à	for, with; at, to
2	Latin	ad	toward, to; up to; near, by, close by, at, to
3	Proto-Italic	ad	toward, to, on, up to, for
4	Proto-Indo-European	h₂éd	to, at

Every word from Proto-Italic *kʷuðei →Every word from Latin cubī →Every word from Latin ubī →