1) in the Attic orators, the exposure of (informing against) those who have embezzled the property of the state, or violated the laws respecting the importation or exporting of merchandise, or defrauded their wards
2) the disclosure of secret crime
Part of Speech: noun feminine
From G5346 (not the same as "phase", which is from G5316); a saying, that is, report: - tidings.
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root φάσις; click on the second column to search for that grammatical form of the root φάσις; click on the third column to search for that word and grammatical form; click on the total to search for the root φάσις.