Where does “leucotome” come from?

leucotome (English) comes 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...

leucotome (English): An instrument used to perform a leucotomy

Definitions

  1. An instrument used to perform a leucotomy

Ancestry of “leucotome”, step by step

leucotome traces back through two separate lines of ancestry.

via English Tomé

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

via English leuco

StepLanguageWordMeaning
1EnglishleucoOf or relating to leuco dyes and their related compounds
2Ancient Greekλευκόςbright, shining, gleaming; light in color; white;...
3Proto-Hellenic*leukóswhite
Every word from Proto-Indo-European -ósEvery word from Ancient Greek -όςEvery word from Ancient Greek τόμος