Where does “electrokeratome” come from?

electrokeratome (English) comes from English keratome, from English Tomé, from Middle French tome, from Latin tomus, from Ancient Greek τόμος, from Ancient Greek -ός, from Proto-Hellenic *-os, from Proto-Indo-European -ós — Creates agent nouns from verb stems, denoting...

electrokeratome (English): An electrically-operated keratome

Definitions

  1. An electrically-operated keratome

Ancestry of “electrokeratome”, step by step

electrokeratome traces back through two separate lines of ancestry.

via English keratome

StepLanguageWordMeaning
1EnglishkeratomeA surgical instrument for dividing the cornea in...
2EnglishToméOne in a series of volumes
3Middle Frenchtome
4Latintomusa section of a larger work; a volume
5Ancient Greekτόμοςslice, piece; piece of land; frustum
6Ancient Greek-όςForms agentive or patientive adjectives and nouns from the o-grade of a verbal root
7Proto-Hellenic*-os
8Proto-Indo-European-ósCreates agent nouns from verb stems, denoting...

via English electro

StepLanguageWordMeaning
1EnglishelectroAn electrotype; An electronic style of hip hop;...
Every word from Proto-Indo-European -ósEvery word from Ancient Greek -όςEvery word from Ancient Greek τόμος