Where does “enchatonnement” come from?

enchatonnement (French) comes from French enchatonner, from French en-, from Old French en-, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

enchatonnement (French): embedding a jewel in the collet of a ring

Definitions

embedding a jewel in the collet of a ring

Ancestry of “enchatonnement”, step by step

Step	Language	Word	Meaning
1	French	enchatonner	to attach a jewel on the collet of a ring
2	French	en-	en- all meanings
3	Old French	en-	en- in; into
4	Latin	īn-	un-, non-, not
5	Latin	în	in, at, on, upon, from (space)
6	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
7	Proto-Italic	en	in
8	Proto-Indo-European	h₁én	in

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