Where does “microkeratome” come from?

microkeratome (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...

microkeratome (English): A precision instrument with an oscillating blade...

Definitions

  1. A precision instrument with an oscillating blade...

Ancestry of “microkeratome”, step by step

microkeratome 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 micro

StepLanguageWordMeaning
1EnglishmicroSmall, relatively small; short form of...
2Ancient Greekμικρόςlittle, small
3Proto-Indo-Europeanmēy-soft, tender, dear
Every word from Proto-Indo-European -ósEvery word from Ancient Greek -όςEvery word from Ancient Greek τόμος