Where does “deuterostoma” come from?

deuterostoma (Italian) comes from Italian deutero-, from Ancient Greek δεύτερος, from Proto-Indo-European dews- — to lack, need, require.

deuterostoma (Italian): deuterostome

Definitions

  1. deuterostome

Ancestry of “deuterostoma”, step by step

StepLanguageWordMeaning
1Italiandeutero-deutero
2Ancient Greekδεύτεροςsecond of two; second, next, another
3Proto-Indo-Europeandews-to lack, need, require
Every word from Proto-Indo-European dews- →Every word from Ancient Greek δεύτερος →Every word from Italian deutero- →