Umacaturthi became one of the most prolific varaint glyphs in cuneiform. Umacaturthi is a festival in the month of jyaishtha and the first karana
(an astrological measurement that I believe used the pole star Polaris "Dhruva" the actual pole would have been calculated somewhere between it
and the direction of jyaishtha. Mulikarana; the extraction of square-root.