Where does “senestre” come from?

senestre (Old French) comes from Latin sinexter, from Latin sinister, from Proto-Italic senisteros.

senestre (Old French): left

Definitions

Step	Language	Word	Meaning
1	Latin	sinexter	—
2	Latin	sinister	left; perverse, bad; or adverse, hostile;...
3	Proto-Italic	senisteros	—

senestre — Etymology, Origin & Word History | Etymology Explorer