Where does “dek-tria” come from?

dek-tria (Esperanto) comes from Esperanto tri, from English three, from Middle English thre, from Old English þrī, from Proto-West Germanic þrīʀ, from Proto-Germanic þrīz, from Proto-Indo-European *tréyes.

dek-tria (Esperanto): thirteenth

Definitions

  1. thirteenth

Ancestry of “dek-tria”, step by step

dek-tria traces back through two separate lines of ancestry.

via Esperanto tri

StepLanguageWordMeaning
1Esperantotrithree
2EnglishthreeA numerical value after two and before four....
3Middle Englishthrethree
4Old Englishþrīthree
5Proto-West Germanicþrīʀthree
6Proto-Germanicþrīzthree
7Proto-Indo-European*tréyes—

via Esperanto dek

StepLanguageWordMeaning
1Esperantodekten
2Ancient Greekδέκαten
3Ancient GreekλόγοςThat which is said: word, sentence, speech,...
4Ancient GreekλέγωI put in order, arrange, gather; I choose, count,...
5Proto-Indo-Europeanleǵ-to gather, collect, with derivatives meaning to...
Every word from Proto-Indo-European *tréyes →Every word from Proto-Germanic þrīz →Every word from Proto-West Germanic þrīʀ →