Where does “dyskalkuli” come from?

dyskalkuli (Norwegian Bokmål) comes from French dyscalculie, from French dys-, from Ancient Greek δῠσ-, from Latin calculāre, from Latin calculus, from Latin -ulus, from Proto-Italic -olos, from Proto-Italic -elos — Forms agent nouns from verbal roots.

dyskalkuli (Norwegian Bokmål): dyscalculia a learning disability characterized by significantly below average mathematical ability

Definitions

  1. dyscalculia a learning disability characterized by significantly below average mathematical ability

Ancestry of “dyskalkuli”, step by step

dyskalkuli traces back through two separate lines of ancestry.

via French dyscalculie

StepLanguageWordMeaning
1Frenchdyscalculiedyscalculia
2Frenchdys-bad status; malfunctioning
3Ancient Greekδῠσ-bad, unfortunate
4Latincalculāre
5Latincalculusdiminutive of calx; pebble, stone; reckoning,...
6Latin-ulusUsed to form a diminutive of a noun, indicating...
7Proto-Italic-olos
8Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
9Proto-Indo-European-e-lós
10Proto-Indo-European-lósForms agent nouns from verbal roots

via English dyscalculia

StepLanguageWordMeaning
1EnglishdyscalculiaA learning disability characterized by...
2Ancient Greekdys-
Every word from Proto-Indo-European -lós