Where does “armourlike” come from?

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

Ancestry of “armourlike”, step by step

armourlike traces back through two separate lines of ancestry.

via English armour

StepLanguageWordMeaning
1EnglisharmourA protective layer over a body, vehicle, or other...
2Middle EnglisharmorAlternative form of armure
3Middle Englisharmureweaponry, the tools of warfare; armour,...
4Anglo-Normanarmurearmor
5Latinarmaturaarmor, equipment of soldiers
6Latinarmōto furnish with weapons, arm, equip; fit out; mobilize
7Latinarmadefensive arms, armor/armour, shields, weapons of...
8Late Latinarmistitium
9Latinsisteresecond-person singular future passive indicative...
10Proto-Indo-Europeanstísteh₂tito be standing up, to be getting up
11Proto-Indo-Europeansteh₂-to stand

via English like

StepLanguageWordMeaning
1EnglishlikeTo enjoy, be pleased by; favor; be in favor of;...
2Dutchluikhatch; shutter; panel, as in a triptych
3Middle Dutchluke
4Dutchluikento close, to shut
5Middle Dutchlukento close, to shut; to close, to become closed
6Old Dutchlūcanto close, shut
7Proto-West Germaniclūkanto close, to shut
8Proto-Germaniclūkanąto close, to shut; Alternative form of *leukaną
9Proto-Indo-Europeanlewǵ-to break, tear; to break, shatter
Every word from Proto-Indo-European steh₂-