Where does “half-royal” come from?

half-royal (English) comes from English royal, from Middle English royal, from Old French roial, from Latin rēgālis, from Latin rēx, from Proto-Italic rēks, from Proto-Indo-European h₃rḗǵs, from Proto-Indo-European h₃reǵ- — to straighten, to right oneself; right; just.

half-royal (English): A special kind of millboard or pasteboard

Definitions

  1. A special kind of millboard or pasteboard

Ancestry of “half-royal”, step by step

half-royal traces back through two separate lines of ancestry.

via English royal

StepLanguageWordMeaning
1EnglishroyalOf or relating to a monarch or their family;...
2Middle Englishroyalroyal, of a king; kinglike, reminiscent of a...
3Old Frenchroialroyal
4Latinrēgālisregal, royal
5Latinrēxking, ruler
6Proto-Italicrēksking
7Proto-Indo-Europeanh₃rḗǵsking, ruler
8Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just

via English half

StepLanguageWordMeaning
1EnglishhalfConsisting of a half; Consisting of some...
2Middle Englishhalfhalf
3Old Englishhealfside; half; partly
4Proto-Germanic*halb
5Proto-Germanichalbazhalf
6Proto-Indo-European(s)kelH-to cut; to split, to separate
7Proto-Indo-European(s)kel-to bend, crook; bent, crooked; leg, heel, knee,...
Every word from Proto-Indo-European h₃reǵ-