Where does “ärbarhet” come from?

ärbarhet (Swedish) comes from Old Irish arbar, from German ehrbar, from German Ehre, from Middle High German ēre, from Old High German ēra, from Proto-West Germanic aiʀu, from Proto-Germanic aizō, from Proto-Indo-European h₂oys-éh₂ — to wish; to request.

ärbarhet (Swedish): modesty, decency, chastity