Translations
It is like the precious ointment upon the head, that ran down upon the beard, even Aaron's beard: that went down to the skirts of his garments;
Like precious oil upon the head, running down upon the beard—Aharon's beard—that runs down upon the collar of his robes.
It is like the precious anointing oil poured upon the head, running down over the beard—Aaron's very beard—flowing all the way down to the collar of his sacred robes.
It is like fine oil on the head, running down on the beard, running down Aaron’s beard over the collar of his robes.
Footnotes
The image is deliberately and precisely priestly: the anointing of Aaron (Lev. 8:12) was the act that consecrated the entire Aaronic line for holy service. Oil cascading yored ("running down") from head to beard to collar is a picture of sacred blessing that cannot be contained—abundance overflowing its source. The phrase al-pi midotav (lit. "upon the mouth/opening of his proportions/measurements") is linguistically contested: pi means "mouth" or "opening" and midot means "measurements," together most naturally pointing to the neckline or collar-opening of the priestly vestments. Both F.O.G. and F.O.G.M. render this "collar of his robes," which is the most defensible reading (cf. ESV, BSB, NRSV), preserving the sense of oil saturating the entire priestly person from crown to hem.

