1) Aspect; stage 
[butterfly] Phasis is a genus of butterfly in the family Lycaenidae. ...[town] Phasis (ფაზისი; Φάσις) was an ancient and early medieval city on the eastern Black Sea coast, founded in the 7th or 6th century BC as a colony of the Milesian Greeks at the mouth of the eponymous river in Colchis, near the modern-day port city of Poti, Georgia. ==Etymology== The names of ancient Phasis and modern Pot...
• (n.) See Phase.
(from the article `Poti`) city, Georgia, on the Black Sea at the mouth of the Rioni River and on the site of the ancient Greek colony of Phasis. The modern city developed in ...
Pha'sis noun ; plural Phases . [ New Latin ] See Phase . Creech. 
phasis A manner, stage, or aspect of being; a phase.