pulped oak bark used in the tanning process (i.e. of tanning leather)
çekim: çoğul tans
köken: From Middle French tan, from Old French tan, from Latin tannum (“oak bark”), from Gaulish *tannos (“oak”), from Proto-Celtic *tannos (“green oak”).
köken: From scortea (“leather bag or garment”), substantivization of scorteus (“made of skin or leather”), from Latin scortum (“skin, hide”). Compare French écorce, Romanian scoarță, Italian scorza.