combwise

In the manner of a comb; with a scraping motion intended to straighten.

Adverb

  1. In the manner of a comb; with a scraping motion intended to straighten.
    • "Well, we have disposed of them, at any rate, which is always something gained," said the Prime Minister, passing his fingers combwise through his beard... - 1905, Edgar Jepson, Lady Noggs, peeress:

Origin

From comb + -wise.