Meaning

originFrom Middle English trowen, trouwen, treuwen, treowen, trouen, from Old English trēowan, trīewan (“to trust”) and Old English trūwian (“to trust, confide”), from Proto-Germanic *trewwāną (“to trust”) and Proto-Germanic *trūwāną (“to trust”); both from Proto-Indo-European *drew- (“faithful, true”). Akin to Scots trow, trew (“to believe, trust, confide in, prove”), Dutch trouwen (“to wed, marry”),…

Etymology from Wiktionary, CC BY-SA 3.0