[Trinity] Plant identification in Trinity College MS O.2.48 Apuleii Herbarium

[MarcoP]

Marco: wonderful! My tentative translation had the cats use it as a means of contraception 

These "etymologies" based on a perceived similarity in name do remind one of Isidore, so I guess it is possible that he was meant.  It would fit nicely together.

I think in this case cats might really be attracted by the smell of the plant, so it's possible that the name comes from "cat" and not the other way round. But all kinds of strange word and image interactions occurred: I always find them delightful

Might the abbreviation be a "D" though?

Yes, that's certainly a possibility. I checked You are not allowed to view links. Register or Login to view. about Kalaminthe / Nepeta, but its content is strictly scientific.