slivering

/S L IH1 V ER0 IH0 NG/
verb
  1. 1

    To cut or divide into long, thin pieces, or into very small pieces; to cut or rend lengthwise; to slit.

    โ€œto sliver woodโ€

Source: https://en.wiktionary.org/wiki/sliver, https://en.wiktionary.org/wiki/slivering