Scratching at Something With One's Fingernails

This page is the CodyCross answer for the clue below from Department Store, Group 519, Puzzle 4 (Indoor Restaurants).

Question is: Scratching at Something With One's Fingernails

and the answer is: CLAWING

Word Meaning:

CLAWING — present participle and gerund of claw

Definitions from Wiktionary.