slate (rock) · a small, portable chalkboard · an unpaid bill
çekim: çoğul ardoises
eş: lauze
köken: From vernacular Late Latin of Northern France like Vulgar Latin *ardēsia, possibly from Gaulish artuā or Gaulish root *ard(u)- (“high, in altitude”), found also in Ardu-enna (the Ardennes), a region where slate has been quarried for centuries.