Where does “þriliþa” come from?

þriliþa (Old English) comes from Old English þri-, from Proto-Germanic þrīz, from Proto-Indo-European *tréyes.

þriliþa (Old English): leap month inserted between ǣrra līþa/sēarmōnaþ and æfterra līþa/Mǣdmōnaþ during a leap year

Definitions

  1. leap month inserted between ǣrra līþa/sēarmōnaþ and æfterra līþa/Mǣdmōnaþ during a leap year

Ancestry of “þriliþa”, step by step

StepLanguageWordMeaning
1Old Englishþri-three, tri-
2Proto-Germanicþrīzthree
3Proto-Indo-European*tréyes—
Every word from Proto-Indo-European *tréyes →Every word from Proto-Germanic þrīz →Every word from Old English þri- →