Where does “δυσκολία” come from?

δυσκολία (Ancient Greek) comes from Ancient Greek δύσκολος, from Ancient Greek δῠσ-, from Latin calculāre, from Latin calculus, from Latin -ulus, from Proto-Italic -olos, from Proto-Italic -elos, from Proto-Indo-European -e-lós — Forms agent nouns from verbal roots.

Ancestry of “δυσκολία”, step by step

δυσκολία traces back through two separate lines of ancestry.

via Ancient Greek δύσκολος

StepLanguageWordMeaning
1Ancient Greekδύσκολοςbad-tempered, irritable, peevish, grouchy,...
2Ancient Greekδῠσ-bad, unfortunate
3Latincalculāre
4Latincalculusdiminutive of calx; pebble, stone; reckoning,...
5Latin-ulusUsed to form a diminutive of a noun, indicating...
6Proto-Italic-olos
7Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
8Proto-Indo-European-e-lós
9Proto-Indo-European-lósForms agent nouns from verbal roots

via Ancient Greek ία

StepLanguageWordMeaning
1Ancient Greekία

Words derived from “δυσκολία

Every word from Proto-Indo-European -lósEvery word from Latin -ulusEvery word from Latin calculus