Where does “esclairer” come from?

esclairer (Middle French) comes from Middle French és, from Old French es, from Old French en, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

esclairer (Middle French): to light up

Definitions

to light up

Ancestry of “esclairer”, step by step

esclairer traces back through two separate lines of ancestry.

via Middle French és

Step	Language	Word	Meaning
1	Middle French	és	in the
2	Old French	es	in the
3	Old French	en	in; inside; on; upon; in
4	Latin	în	in, at, on, upon, from (space)
5	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
6	Proto-Italic	en	in
7	Proto-Indo-European	h₁én	in

via Middle French clair

Step	Language	Word	Meaning
1	Middle French	clair	clear

Every word from Proto-Indo-European h₁én →Every word from Proto-Italic en →Every word from Latin en →