Definition: Unihgw is a Greek term meaning "fifty." It refers to the number fifty, which is an important milestone in various cultures as it signifies both completeness (50%) and infinity, symbolizing knowledge or wisdom beyond human understanding. Definition: In Greek mythology, this phrase was used by Odysseus after he had been lost in Tartarus for 40 days. The word 'unihgw' means fifty, representing the distance of time from that point to the end of life.