The Word of the Day comes from THE SILENT COMPANIONS by Laura Purcell.
A garret is a habitable attic, a living space at the top of a house or larger residential building, often small, dismal, and cramped, with sloping ceilings. In the days before elevators this was the least prestigious position in a building.
NOUN garrets (plural noun) a top-floor or attic room, especially a small dismal one. "the solitary genius starving in a cold garret"
ORIGIN Middle English (in the sense ‘watchtower’): from Old Frenchgarite, from garir (see garrison).