1) to listen, to harken
1a) of one who on the knock at the door comes to listen who it is, (the duty of a porter)
2) to harken to a command
2a) to obey, be obedient to, submit to
Part of Speech: verb
Citing in TDNT: 1:223, 34
From G5259 and G191; to hear under (as a subordinate), that is, to listen attentively; by implication to heed or conform to a command or authority: - hearken, be obedient to, obey.
|b answer door||46.11|
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 ὑπακούω; click on the second column to search for that grammatical form of the root ὑπακούω; click on the third column to search for that word and grammatical form; click on the total to search for the root ὑπακούω.