Where does “dyspeptone” come from?

dyspeptone (English) comes from English dyspeptic, from Ancient Greek δύσπεπτος, 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.

dyspeptone (English): An insoluble albuminous body formed from casein...

Definitions

  1. An insoluble albuminous body formed from casein...

Ancestry of “dyspeptone”, step by step

dyspeptone traces back through two separate lines of ancestry.

via English dyspeptic

StepLanguageWordMeaning
1EnglishdyspepticOf, relating to, or having dyspepsia or...
2Ancient GreekδύσπεπτοςDifficult to digest; unripe
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 One

StepLanguageWordMeaning
1EnglishOneThe number represented by the Arabic numeral 1; the numerical value equal to that cardinal number
2Middle Englishonon, in; on; Alternative form of oon
3Old Englishonon, in, at, among; from
4Proto-West Germanicanaon
5Proto-Germanic*an
6Proto-Germanicanaon, at; on, onto; ana
7Proto-Indo-Europeanh₂en-on, onto
Every word from Proto-Indo-European -lósEvery word from Latin -ulusEvery word from Latin calculus