Numbers 19:12
purify ........................ purify <02398> [He shall purify.]
"Yithchatta," literally, "he shall sin himself," i.e., not add sin, but take it away, purify. So we say to fleece, and to skin, which do not signify to add a fleece, or a skin, but to take one away.
on ... third day ... on .... day .............. on ... third day ..... day <03117 07992> [third day.]