Where does “armourial” come from?

armourial (English) comes from English armoury, from Middle English armerie, from Anglo-Norman French armurrie, from Old French armure, from Latin armatura, from Latin armō, from Latin arma, from Late Latin armistitium — to stand.

Ancestry of “armourial”, step by step

armourial traces back through two separate lines of ancestry.

via English armoury

StepLanguageWordMeaning
1EnglisharmouryA place where arms are kept, an arsenal
2Middle EnglisharmerieAlternative form of armurie
3Anglo-Norman Frencharmurrie
4Old Frencharmurearmor
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 AL

StepLanguageWordMeaning
1EnglishALInitialism of assembly language; Initialism of...
2Dutchalall, all of; already; yet
3Middle Dutchalall, all of; completely; even though, no matter...
4Old Dutchāl
5Proto-West Germanicallall
6Proto-Germanicallazall
7Proto-Indo-Europeanh₂él-to grow, nourish
Every word from Proto-Indo-European steh₂-Every word from Proto-Indo-European stísteh₂tiEvery word from Latin sistere
armourial — Etymology, Origin & Word History | Etymology Explorer