Where does “tro” come from?

tro (Danish) comes from Old Danish tro, from Old Norse trú, from Middle Low German truwe, from Old Saxon treuwa, from Proto-Germanic trewwō, from Proto-Indo-European drewo-.

tro (Danish): belief; confidence; trust

Definitions

  1. belief; confidence; trust

Ancestry of “tro”, step by step

tro traces back through two separate lines of ancestry.

via Old Danish tro

StepLanguageWordMeaning
1Old Danishtro—
2Old Norsetrúfaith; inflection of trúr: ## positive degree...
3Middle Low Germantruwe—
4Old Saxontreuwa—
5Proto-Germanictrewwōfidelity, pledge
6Proto-Indo-Europeandrewo-—

via Old Norse trúr

StepLanguageWordMeaning
1Old Norsetrúrtrue, faithful; safe; believing
2Proto-Germanictrūaztrustful

Words derived from “tro”

Every word from Proto-Indo-European drewo- →Every word from Proto-Germanic trewwō →Every word from Old Saxon treuwa →
tro — Etymology, Origin & Word History | Etymology Explorer