TT #254 · Parshas Shemini · Aliyah 7 · Passuk 44
Chabad.org — Vayikra Chapter 11 with Rashi
English: “You shall sanctify yourselves”: this refers to the first washing; “and be holy” refers to the final washing; “for I am holy” refers to oil, and “I am Hashem your God” refers to blessing.
Berachot 53b.
E-Daf.com — Berachot 53b (Tsurras Hadaf)
Textual exposition — The Chazal applies the verse’s wording and structure to establish the stated teaching.
The verse is read as alluding to the successive practices of washing, later washing, anointing, and blessing.