Where does “Therapsida” come from?

Therapsida (Translingual) comes from Ancient Greek ἁψίς, from Ancient Greek -σῐς, from Ancient Greek -τις, from Proto-Indo-European -tis — Derives abstract/action nouns from verb roots.

Therapsida (Translingual): order, includes all mammals}}

Definitions

  1. order, includes all mammals}}

Ancestry of “Therapsida”, step by step

StepLanguageWordMeaning
1Ancient Greekἁψίςnet, mesh; wheel, hoop, disc; Any curved form:...
2Ancient Greek-σῐς"suffix forming nouns"
3Ancient Greek-τιςretained after dentals
4Proto-Indo-European-tisDerives abstract/action nouns from verb roots
Every word from Proto-Indo-European -tis →Every word from Ancient Greek -σῐς →Every word from Ancient Greek ἁψίς →