-tome
/təʊm/combining form
1
- denoting an instrument for cutting表示“刀”：
microtome.
2
- denoting a section or segment表示“片”, “节”：
myotome.
词源
sense 1 from Greek -tomon (neuter) 'that cuts'; sense 2 from Greek tomē 'a cutting'， both from temnein 'to cut'.