In a 16th century Latin treatise published in Poland several occurences of the final m have the form of ꝫ (in Unicode U+A76B LATIN SMALL LETTER ET). You can find more information about the work at https://github.com/jsbien/Zaborowski-index4djview. An illustration demonstrating that sonum and scilitet end with the same letter can be found in the preprint https://www.researchgate.net/publication/341930612 (available on request). Is there an explanation? I will appreciate your comments.

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    See: en.m.wikipedia.org/wiki/… Oct 15, 2020 at 17:09
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    @Sebastian Koppehel, I don't see the relevance of this Wikipedia entry to my question. Oct 15, 2020 at 17:22
  • The Wikipedia article says that the et mark "after a, e, u vowels meant -m not us or ei, if after an o it meant -nem", but there's no citation for that (and it's explained in kind of a roundabout way).
    – Draconis
    Oct 16, 2020 at 0:15
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    @Draconis The whole text is, however, very closely based on the Lexicon Abbreviaturarum (German edition). The explanation there is slightly less confusing if you can read German, much more if not. I couldn't find the Italian original edition online. Oct 16, 2020 at 3:10
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    @SebastianKoppehel Could write up the relevant bit into an answer? It doesn't have to be long.
    – Joonas Ilmavirta
    Oct 16, 2020 at 7:18

1 Answer 1


According to the introduction to Capelli's abbreviation dictionary (section 4.281), as translated by Heimann and Kay:

When the ꝫ-mark occurs at the end of a word and is preceded by the vowel a, e, or u, it generally does not stand for -us or -et, but rather for m. It is almost always written on the same line as the other letters in the word, for example: naꝫ = nam; o̅e̅ꝫ = omnem; h̅i̅tuꝫ = habitum.

(Section 4.28 in general is dedicated to this sign, and goes through various other meanings in other contexts, such as -nem with preceded by o or -rum when marked with an additional slash.)

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