Wherefore art thou, aberil?

[zachary.kaelan]

Supposedly there's something called "betacism", which was the shift from "b" sounds to "v" sounds or vice versa, and this is potentially the source of "abril" in a lot of languages, including some dialects of Occitan. 

However, I also see that it's "Abrëll" in Luxembourgish, which I find very interesting, given its proximity to high ranking handwriting matches for the back page marginalia.

EDIT: It may come from Middle High German's "You are not allowed to view links. Register or Login to view.".