This ideogram represents
first day of the winter half year in Scandinavia of the
Middle Ages. According to the clog almanacs (see in
Group 5) this day was also the autumn
idea of Michaelmas as the first day of the winter half year has its
origin in an old Nordic division of the year into two parts: the
summer and the winter half years.
Compare with the synonymous in Group 41:b, and with such signs for the spring equinox as , , and .
See also in Group 6.