Where does “երեսներորդ” come from?

երեսներորդ (Old Armenian) comes from Old Armenian երեսուն, from Proto-Indo-European trīḱomt, from Proto-Indo-European tridḱómt, from Proto-Indo-European tri-, from Proto-Indo-European tréyes — three.

երեսներորդ (Old Armenian): thirtieth

Definitions

  1. thirtieth

Ancestry of “երեսներորդ”, step by step

StepLanguageWordMeaning
1Old Armenianերեսունthirty
2Proto-Indo-Europeantrīḱomt—
3Proto-Indo-Europeantridḱómtthirty
4Proto-Indo-Europeantri-three, threefold
5Proto-Indo-Europeantréyesthree
Every word from Proto-Indo-European tréyes →Every word from Proto-Indo-European tri- →Every word from Proto-Indo-European tridḱómt →