Where does “unworldiness” come from?

unworldiness (English) comes from English unworldy, from English worldy, from English World, from Middle English world, from Old English weorold, from Proto-West Germanic weraldi, from Proto-Germanic weraldiz, from Proto-Germanic weraz — to chase, pursue; to suppress, persecute.

Ancestry of “unworldiness”, step by step

StepLanguageWordMeaning
1Englishunworldy
2EnglishworldySynonym of worldly
3EnglishWorldThe specific world, or any of several specific constituent worlds, that humans live in, among any other (real or possible) worlds
4Middle EnglishworldThe world, the planet; A dimension, realm, or...
5Old Englishweoroldworld
6Proto-West Germanicweraldiworld
7Proto-Germanicweraldizlifetime, worldly existence; mankind; world
8Proto-Germanicwerazman; husband
9Proto-Indo-EuropeanwiHrósman; husband; warrior, hero
10Proto-Indo-Europeanweyh₁-to chase, pursue; to suppress, persecute
Every word from Proto-Indo-European weyh₁-