Egypt = "double straits"
1) a country occupying the northeast angle of Africa
2) metaphorically Jerusalem, for the Jews persecuting the Christ and his followers, and so to be likened to the Egyptians treating the Jews
Part of Speech: noun proper locative
Of uncertain derivation; AEgyptus, the land of the Nile: - Egypt.
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 Αἴγυπτος; click on the second column to search for that grammatical form of the root Αἴγυπτος; click on the third column to search for that word and grammatical form; click on the total to search for the root Αἴγυπτος.