Etymology of the Greek word phasis (φάσις)
the Greek word phasis, φάσις (speech; appearance; stage; a saying; report)
derived from the Late Greek word phainein, φαίνω (to display; to show)
derived from the Proto-Indo-European root *bha-
derived from the Proto-Indo-European root *bhā-
derived from the Greek word phainomai, ϕαίνομαι
