地じの粉こじのこMeanings1expression, nounbase powder for lacquer; clay powder for lacquer baseTechnical term in lacquerware; refers to a powder, typically made from clay, used as a base or filler in lacquer work.漆しっ器きの下した地じに地じの粉こを使つかう。They use base powder for the undercoat of lacquerware.