1) without beginning and end, that which always has been and always will be
2) without beginning
3) without end, never to cease, everlasting
Part of Speech: adjective
Citing in TDNT: 1:208, 31
From G165; perpetual (also used of past time, or past and future as well): - eternal, for ever, everlasting, world (began).
|(χρόνοις αἰωνίοις) since all time||67.133|
|(πρὸ χρόνων αἰωνίων) since all time||67.133|
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 αἰώνιος; click on the second column to search for that grammatical form of the root αἰώνιος; click on the third column to search for that word and grammatical form; click on the total to search for the root αἰώνιος.