Raymundi Lulli und Folio 67v

[JoJo_Jost]

The word "ochepalain," in my opinion, could well be ακεφαλειν (ἀ + κεφαλόω) - remove the head or ἀκεφᾰλών - headless.
I don't know if this term could have a place in your schema.

Ablutio nigrum in album: Washing/cleaning (transformation through cleansing) from black to white. A term used in alchemy.