Where does “cephalotome” come from?

cephalotome (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...

cephalotome (English): An instrument for cutting into the fetal head, to...

Definitions

  1. An instrument for cutting into the fetal head, to...

Ancestry of “cephalotome”, step by step

cephalotome 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 cephalo

StepLanguageWordMeaning
1Englishcephalo
Every word from Proto-Indo-European -ósEvery word from Ancient Greek -όςEvery word from Ancient Greek τόμος