It's a long-ess Morten (or long-eff if the stem has been damaged by that scrapey area on the parchment).
The letter ell was never written like that. It never extended below the baseline and was not written with a straight hook across the top (unless there was also a loop).
Long-ess was the normal way to write ess for most of the 14th and 15th centuries and part of the 16th century.
Here is a long-ess and long-eff on the top right (long-eff is marked) and ell on the bottom right in handwriting that is in a similar style (Gothic) to the 116v text:
It's appears from everything you've written about the text that you do not know how to read medieval writing.
Look at the three ell letters in the first and second lines. Note that they do not go below the baseline. Note that they have angled loops. They look nothing like the long-ess or long-eff in gas/gaf but they do look typical for the 15th century.
The letter ell was never written like that. It never extended below the baseline and was not written with a straight hook across the top (unless there was also a loop).
Long-ess was the normal way to write ess for most of the 14th and 15th centuries and part of the 16th century.
Here is a long-ess and long-eff on the top right (long-eff is marked) and ell on the bottom right in handwriting that is in a similar style (Gothic) to the 116v text:
It's appears from everything you've written about the text that you do not know how to read medieval writing.
Look at the three ell letters in the first and second lines. Note that they do not go below the baseline. Note that they have angled loops. They look nothing like the long-ess or long-eff in gas/gaf but they do look typical for the 15th century.

