hearthstoning

Verb

hearthstone (third-person singular simple present hearthstones, present participle hearthstoning, simple past and past participle hearthstoned)

1. (transitive) To scour, as a floor, with hearthstone.
   • We've a woman come in twice a week, to scrub, and red-brick, and hearthstone, and black-lead, and the rest we manage ourselves.1876, Hallberger's Illustrated Magazine, page 202

See all 4 meanings of hearthstone