Where does “solderless” come from?

solderless (English) comes from English solder, from Middle English souder, from French soudure, from French souder, from Old French solder, from Latin solido, from Latin solidus, from Proto-Italic soliðos — whole.

solderless (English): Without the use of solder

Definitions

  1. Without the use of solder

Ancestry of “solderless”, step by step

solderless traces back through two separate lines of ancestry.

via English solder

StepLanguageWordMeaning
1EnglishsolderAny of various easily-melted alloys, commonly of...
2Middle Englishsouder
3Frenchsoudurewelding
4Frenchsouderto solder
5Old Frenchsolderto solder
6LatinsolidoI make, or become solid, firm etc; I strengthen...
7Latinsolidussolid; A solidus: a Roman ~23-carat gold coin...
8Proto-Italicsoliðos
9Proto-Indo-Europeansolh₂-i-dʰ-o-sentire
10Proto-Indo-Europeansolh₂-whole

via English less

StepLanguageWordMeaning
1EnglishlessTo a smaller extent or degree; comparative form...
2Middle Englishlesfalse; lying; deceptive; falsehood; a lie
3Old Englishlēasfalse, lax; false, void, loose; devoid of, loose...
4Proto-Germanic*laus
Every word from Proto-Indo-European solh₂-