What does "sothic cycle" mean?

The roughly 1460-year cycle between successive alignments of the first days of the Egyptian civil calendar and the observational Sothic year.

What is a synonym for "sothic cycle"?

Common synonyms include: sothis.

noun

noun ·Rare ·Advanced level

Noun

1
The roughly 1460-year cycle between successive alignments of the first days of the Egyptian civil calendar and the observational Sothic year.