Where does “apse” come from?

Apse comes from Latin apsis, from Ancient Greek ἁψίς, derived from ἅπτω meaning to fasten or join, with the suffix -τις, ultimately from Proto-Indo-European -tis.

apse (English): A semicircular projection from a building,...

Definitions

  1. A semicircular projection from a building,...

Ancestry of “apse”, step by step

StepLanguageWordMeaning
1Latinapsisarch, vault
2Ancient Greekἁψίςnet, mesh; wheel, hoop, disc; Any curved form:...
3Ancient Greek-σῐς"suffix forming nouns"
4Ancient Greek-τιςretained after dentals
5Proto-Indo-European-tisDerives abstract/action nouns from verb roots

Words derived from “apse”

Every word from Proto-Indo-European -tis →Every word from Ancient Greek -σῐς →Every word from Ancient Greek ἁψίς →