Month names collection / metastudy

[eggyk]

Interesting finds! If the Picard spelling is correct, this would line up the astrolabe with the "octembre" hotspot in northern France.

The only remaining mystery in the top tier is then the supposed "Anglo-Norman poem" Sauvaget found, but can only be seen as a transcribed snippet in Google books (if it can be seen at all).

If the poem is from "Art de Kalender" as it seems to be, it can be seen on p21-p38 of You are not allowed to view links. Register or Login to view. from cambridge university library.

   

Mar:  Mars,
Apr:   Averil,
May:  May, Maẏ, Mai
June: iong, mostly ioing
July:  joingnet, ioignet, iognet, ioinet, ioignete
Aug:  aust, august
Sep:  sepembre,
Oct:   octobre,
Nov:  novembre,
Dec:  decembre

Interestingly, we're down an "augst", but up a "iong", "maẏ", and "mars" compared to the spreadsheet. Perhaps a different source of the same poem. I did look all the way through to p38 to check for variants but it's possible I missed one, i'll keep adding if I find any. 

According to the library, this collation of texts is from: 

Origin: First half of 14th century, after 1307 C.E.England Basing their arguments primarily on dialectal features of the Middle English texts, Thiolier proposes an origin in the West Midlands (Thiolier 1989) while McIntosh suggests a possible Irish provenance (McIntosh et al. 1986).

Edit: 
Okay, what I posted is from one of 3 known copies of the original text. Sauvaget's month names are based on those found in "Oxford, Bodleian Library, MS Bodley 399", which is the text used to transcribe the work You are not allowed to view links. Register or Login to view..

That website uses the Oxford version to transcribe the text because "this MS transmits the best text of Ralph of Lenham's Kalender, and is thus reproduced here."
I'm not 100% sure I agree, as whole lines appear to be missing in this version. For the section I posted an image of above, this version is completely missing the lines for march, july and august. 

   

These are perhaps the source for the month names in the spreadsheet. I cannot find a digital version of that manuscript.

My link is to a different copy in the cambridge library, so it's a different source and different scribe that transferred and wrote the month names.