Cyril of Jerusalem

Moreover, you should know that in the old Scripture there lies the symbol of this Chrism. For what time Moses imparted to his brother the command of God, and made him High-priest, after bathing in water, he anointed him; and Aaron was called Christ or Anointed, evidently from the typical Chrism. So also the High-priest, in advancing Solomon to the kingdom, anointed him after he had bathed in Gihon. …

Catechetical Lectures, Lecture 21 (Mystagogical Lecture 3) ↗