Where does “dudeka” come from?

dudeka (Esperanto) comes from Esperanto dek, from Ancient Greek δέκα, from Ancient Greek λόγος, from Ancient Greek λέγω, from Proto-Indo-European leǵ- — to gather, collect, with derivatives meaning to...

dudeka (Esperanto): twentieth

Definitions

twentieth

Ancestry of “dudeka”, step by step

dudeka traces back through two separate lines of ancestry.

via Esperanto dek

Step	Language	Word	Meaning
1	Esperanto	dek	ten
2	Ancient Greek	δέκα	ten
3	Ancient Greek	λόγος	That which is said: word, sentence, speech,...
4	Ancient Greek	λέγω	I put in order, arrange, gather; I choose, count,...
5	Proto-Indo-European	leǵ-	to gather, collect, with derivatives meaning to...

via Esperanto du

Step	Language	Word	Meaning
1	Esperanto	du	two
2	French	deux	two; twos
3	Middle French	deux	two
4	Old French	deux	—

Every word from Proto-Indo-European leǵ- →Every word from Ancient Greek λέγω →Every word from Ancient Greek λόγος →