Where does “casqueless” come from?

casqueless (English) comes from English casque, from French casque, from Spanish casco, from Spanish cascar, from Latin quassō, from Latin -tō, from Latin -tus, from Proto-Italic -tus — Derives action nouns from verb roots.

casqueless (English): Not wearing a casque

Definitions

  1. Not wearing a casque

Ancestry of “casqueless”, step by step

casqueless traces back through two separate lines of ancestry.

via English casque

StepLanguageWordMeaning
1EnglishcasqueA helmet; A hard structure on the head of some...
2Frenchcasquehelmet; hard hat; headphones
3Spanishcascohelmet; crown; hulk
4Spanishcascarto crack, to split; to hit; to wank
5Latinquassōto shake repeatedly, to quake
6Latin-tōForms here
7Latin-tusForms the past participle of verbs; Forms...
8Proto-Italic-tus
9Proto-Indo-European-tusDerives action nouns from verb roots

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 -tusEvery word from Latin -tusEvery word from Latin -tō