Where does “ध्रुवीय” come from?

ध्रुवीय (Sanskrit) comes from Sanskrit ध्रुव, from Proto-Indo-Iranian dʰruwás, from Proto-Indo-European dʰru-wó-s, from Proto-Indo-European -wós — Creates adjectives from verb stems.

Ancestry of “ध्रुवीय”, step by step

StepLanguageWordMeaning
1Sanskritध्रुवfixed, immovable; firm, stable; certain, sure,...
2Proto-Indo-Iraniandʰruwásfixed, firm
3Proto-Indo-Europeandʰru-wó-s—
4Proto-Indo-European-wósCreates adjectives from verb stems

Words derived from “ध्रुवीय”

Every word from Proto-Indo-European -wós →Every word from Proto-Indo-European dʰru-wó-s →Every word from Proto-Indo-Iranian dʰruwás →