Vayikra 14:49-51

Orthodox Jewish Bible

⁴⁹ And he shall take to purify the bais two birds, and cedar wood, and scarlet thread, and hyssop;

⁵⁰ And he shall kill (shachat) the one of the birds in a clay vessel over mayim chayyim (running water);

⁵¹ And he shall take the cedar wood, and the hyssop, and the scarlet thread, and the living bird, and dip them in the dahm of the slain bird, and in the mayim chayyim (running water), and sprinkle the bais seven times;