Where does “triūwe” come from?

triūwe (Old Frisian) comes from Proto-Germanic triwwiz, from Proto-Indo-European drew-, from Proto-Indo-European dóru, from Proto-Indo-European deru- — firm, solid; wood; be firm, hard, solid.

Ancestry of “triūwe”, step by step

StepLanguageWordMeaning
1Proto-Germanictriwwiztrue; faithful
2Proto-Indo-Europeandrew-hard, firm, strong, solid; hard, fast; tree
3Proto-Indo-Europeandórutree
4Proto-Indo-Europeanderu-firm, solid; wood; be firm, hard, solid
Every word from Proto-Indo-European deru- →