1) by, under
Part of Speech: preposition
A primary preposition; under, that is, (with the genitive) of place (beneath), or with verbs (the agency or means, through); (with the accusative) of place (whither [underneath] or where [below]) or time (when [at]): - among, by, from, in, of, under, with. In compounds it retains the same genitive applications, especially of inferior position or condition, and specifically covertly or moderately.
|(ὑπὸ τὸν οὐρανόν) on earth||1.43|
|b under (control)||37.7|
|(ὑπὸ τοὺς πόδας) be in complete control||37.8|
|(ὑπὸ κρίσιν πίπτω) be condemned||56.32|
|e at (time)||67.161|
|a under (location)||83.51|
|(εἰμὶ ὑπὸ ζυγόν) be a slave||87.80|
|d because of (reason)||89.26|
|c by (agent)||90.1|
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 ὑπό; click on the second column to search for that grammatical form of the root ὑπό; click on the third column to search for that word and grammatical form; click on the total to search for the root ὑπό.