Where does “armorless” come from?

armorless (English) comes from English armor, from Middle English armure, from Anglo-Norman armure, from Latin armatura, from Latin armō, from Latin arma, from Late Latin armistitium, from Latin sistere — to stand.

armorless (English): With an absence of armor; unarmored

Definitions

  1. With an absence of armor; unarmored

Ancestry of “armorless”, step by step

armorless traces back through two separate lines of ancestry.

via English armor

StepLanguageWordMeaning
1EnglisharmorA protective layer over a body, vehicle, or other...
2Middle Englisharmureweaponry, the tools of warfare; armour,...
3Anglo-Normanarmurearmor
4Latinarmaturaarmor, equipment of soldiers
5Latinarmōto furnish with weapons, arm, equip; fit out; mobilize
6Latinarmadefensive arms, armor/armour, shields, weapons of...
7Late Latinarmistitium
8Latinsisteresecond-person singular future passive indicative...
9Proto-Indo-Europeanstísteh₂tito be standing up, to be getting up
10Proto-Indo-Europeansteh₂-to stand

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 steh₂-Every word from Proto-Indo-European stísteh₂tiEvery word from Latin sistere