Where does “tridek” come from?

tridek (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.

tridek (Esperanto): thirty

Definitions

  1. thirty

Ancestry of “tridek”, step by step

tridek 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...

Words derived from “tridek”

Every word from Proto-Indo-European *tréyes →Every word from Proto-Germanic þrīz →Every word from Proto-West Germanic þrīʀ →