English

hecatontome

From hecato- + tome.

Proto-Hellenic *hekətón ‘hundred’

Ancient Greek ἑκατόν ‘hundred’

Proto-Indo-European *temh₁- ‘to cut’

…

Ancient Greek τέμνω ‘to cut, separate’

Ancient Greek τόμος ‘section, roll of papyrus, volume’

Latin tomus ‘section of larger work’

Middle French tome

English tome

Today it means

noun A collection of a hundred books.

Language periods are conventional ranges, not dates for this word.

Etymograph / hecatontome