Lexical Definition

‎φάσις‎ phásis (fas'-is) news ^G:N-F
from ‎φημί‎ (not the same as "phase", which is from ‎φαίνω‎)

tidings.

• a saying, i.e. report

Abbott-Smith

φάσις, -εως, ἡ (< φαίνω), [in LXX: II Es 4:17, Da TH Su :55, IV Mac 15:25 א1* ;]
information, esp. against fraud or other crime: Ac 21:31.†

Abbott-Smith References

Liddell-Scott-Jones

φάσις [ᾰ], εως,

h(: (φαίνω):—

__A denunciation, information laid, γραφαὶ ἢ φάσεις ἢ ἐνδείξεις ἢ ἀπαγωγαί [Refs 5th c.BC+]
__A.II (φαίνομαι) appearance, of stars, [Refs 5th c.BC+]
__A.II.a πρὸς τὸν ὁρίζοντα φ. appearance above the horizon, opposed to ὑπὸ τὸν ὁρίζοντα κρύψις, [Refs 1st c.BC+]
__A.II.b heliacal rising, opposed to κρύψις, φ. ἑῷαι, ἑσπέριαι, [Refs 2nd c.AD+]
__A.II.c including the previous signification and κρύψεις, [Refs 2nd c.AD+]
__A.II.d plural, phases of the moon, [Refs 1st c.BC+]
__A.II.2 an appearance, trace, τινος [Refs]