She is His sanctification of betrothal (qidushin) from the side of the left, because holiness is of the aspect of the Levites, as it says: “and you shall sanctify the Levites”, and about that it is stated:lxxxSee BT Qiddushin 5b ‘be thou sanctified to me (me-qudeshet) with ‘this’ ring’.
And She is His blessing, from the right-hand side, which is the priesthood (ke-hunah). It is this that is written: (Num. 6:23) thus (koh), will you bless the Children of Israel...
And She is called His kalah (bride), from the aspect of the Righteous-One, who is kol (all) – and this is KaLaH comprised of kol and the letter Hei ה, because it (Yesod) is the covenant that unites both-of-them, and from the aspect of the Righteous-One, He is Her unity, for He is the tip of the letter Dalet ד of EḤaD (One), which connects between the letters A-Ḥ ח–א and the letter Dalet ד.