'Hyssop' in the Bible
You shall take a bunch of hyssop, and dip it in the blood that is in the basin, and strike the lintel and the two doorposts with the blood that is in the basin; and none of you shall go out of the door of his house until the morning.
then the priest shall command them to take for him who is to be cleansed two living clean birds, and cedar wood, and scarlet, and hyssop.
As for the living bird, he shall take it, and the cedar wood, and the scarlet, and the hyssop, and shall dip them and the living bird in the blood of the bird that was killed over the running water.
To cleanse the house he shall take two birds, and cedar wood, and scarlet, and hyssop.
He shall take the cedar wood, and the hyssop, and the scarlet, and the living bird, and dip them in the blood of the slain bird, and in the running water, and sprinkle the house seven times.
He shall cleanse the house with the blood of the bird, and with the running water, with the living bird, with the cedar wood, with the hyssop, and with the scarlet;
and the priest shall take cedar wood, and hyssop, and scarlet, and cast it into the midst of the burning of the heifer.
and a clean person shall take hyssop, and dip it in the water, and sprinkle it on the tent, and on all the vessels, and on the persons who were there, and on him who touched the bone, or the slain, or the dead, or the grave:
He spoke of trees, from the cedar that is in Lebanon even to the hyssop that springs out of the wall; he spoke also of animals, and of birds, and of creeping things, and of fish.
Purify me with hyssop, and I will be clean. Wash me, and I will be whiter than snow.