Synonym of もこし (mokoshi): a pent roof (below the true roof of a pagoda, etc.); a mokoshi

what floor?

upstairs; specifically, the floor above

a floor or storey in a building

unreasonably, absurdly, recklessly, at random

not contacting for a while, a long silence

sinner

a superior / an aristocrat; a noble

a person who sells items; a peddler

(historical) a person from the Goguryeo or Goryeo kingdoms on the Korean Peninsula