Where does “mortarless” come from?

mortarless (English) comes from English mortar, from Middle English morter, from Old French mortier, from Latin mortarium, from Proto-Indo-European mer- — to die; to disappear; sea, lake, wetland.

mortarless (English): Without mortar

Definitions

  1. Without mortar

Ancestry of “mortarless”, step by step

mortarless traces back through two separate lines of ancestry.

via English mortar

StepLanguageWordMeaning
1EnglishmortarA mixture of lime or cement, sand and water used...
2Middle EnglishmorterA mortar; Grout or mortar; A bowl with fuel...
3Old Frenchmortier
4Latinmortariummortar; large basin in which mortar is made
5Proto-Indo-Europeanmer-to die; to disappear; sea, lake, wetland

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 mer-