Where does “soldure” come from?

soldure (Old French) comes from Old French souder, from Latin solido, from Latin solidus, from Proto-Italic soliðos, from Proto-Indo-European solh₂-i-dʰ-o-s, from Proto-Indo-European solh₂- — whole.

Ancestry of “soldure”, step by step

Step	Language	Word	Meaning
1	Old French	souder	—
2	Latin	solido	I make, or become solid, firm etc; I strengthen...
3	Latin	solidus	solid; A solidus: a Roman ~23-carat gold coin...
4	Proto-Italic	soliðos	—
5	Proto-Indo-European	solh₂-i-dʰ-o-s	entire
6	Proto-Indo-European	solh₂-	whole

Words derived from “soldure”

soudere
soudur

Every word from Proto-Indo-European solh₂- →Every word from Proto-Indo-European solh₂-i-dʰ-o-s →Every word from Proto-Italic soliðos →