itemizer

English edit

itemizer (plural itemizers)

That which itemizes.
- 2008, B. T. Sue Atkins, Michael Rundell, The Oxford Guide to Practical Lexicography, page 323:
  […] the functions it performs in the language, as for instance an itemizer of mass nouns or a collective of plural nouns, a support verb, etc.
(US, finance) One who makes itemized deductions on a tax return.