1) beginning, origin
2) the person or thing that commences, the first person or thing in a series, the leader
3) that by which anything begins to be, the origin, the active cause
4) the extremity of a thing
4a) of the corners of a sail
5) the first place, principality, rule, magistracy
5a) of angels and demons
Part of Speech: noun feminine
Citing in TDNT: 1:479, 81
From G756; (properly abstract) a commencement, or (concrete) chief (in various applications of order, time, place or rank): - beginning, corner, (at the, the) first (estate), magistrate, power, principality, principle, rule.
|f supernatural power||12.44|
|d sphere of authority||37.55|
|g elementary aspect||58.20|
|b beginning (time)||67.65|
|a beginning (aspect)||68.1|
|c first cause||89.16|
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 ἀρχή; click on the second column to search for that grammatical form of the root ἀρχή; click on the third column to search for that word and grammatical form; click on the total to search for the root ἀρχή.