a book, esp. a very heavy, large, or learned book.
2.
a volume forming a part of a larger work.
Origin: 1510–20; < F < L tomus < Gk tómos slice, piece, roll of paper, book, akin to témnein to cut
-tome
a combining form with the meanings “cutting instrument” (microtome; osteotome), “segment, somite” (sclerotome), used in the formation of compound words.