Chabad.org — English translation + Rashi
Torah Temimah points to Horayos 12a.
E-Daf.com — Horayos 12a
HebrewBooks / Shas PDF
English: “The kohen” — to exclude a king; “the anointed” — to exclude one elevated by garments alone; “the anointed kohen” — this is a High Priest over whom no anointed [priest] stands.
Definition of kohen ha-mashiach by exclusion — the verse’s wording excludes a king, a deputy elevated only by garments, and any High Priest who has another anointed priest over him.
Only a properly anointed High Priest who has no superior anointed priest brings the bull of 4:3. The terms “the kohen,” “the anointed,” and the full phrase are each used to exclude: a king is outside the category, a merubeh begadim (elevated solely by the eight garments) is outside, and only the singular High Priest with no anointed superior qualifies. The special chatas bull is therefore limited to that unique office.