Where does “diarthrosis” come from?

diarthrosis (English) comes from English arthrosis, from Ancient Greek ἄρθρον, from Ancient Greek ἀραρίσκω, from Ancient Greek -σκω, from Proto-Indo-European -sḱéti — Forms durative or iterative imperfective verbs...

diarthrosis (English): A joint that can move freely in various planes

Definitions

  1. A joint that can move freely in various planes

Ancestry of “diarthrosis”, step by step

diarthrosis traces back through two separate lines of ancestry.

via English arthrosis

StepLanguageWordMeaning
1EnglisharthrosisAny articulation or joint between bones; Any...
2Ancient Greekἄρθρονjoint; limb; articulation
3Ancient Greekἀραρίσκωjoin, fasten; fit together, construct; fit,...
4Ancient Greek-σκωPrimitive suffix used to form present-tense...
5Proto-Indo-European-sḱétiForms durative or iterative imperfective verbs...

via English dia

StepLanguageWordMeaning
1EnglishdiaA language spoken in Sandaun Province, Papua New Guinea
Every word from Proto-Indo-European -sḱétiEvery word from Ancient Greek -σκωEvery word from Ancient Greek ἀραρίσκω