1) an olive branch
1a) for suppliants approached the one whose aid they would implore holding an olive branch entwined with white wool and fillets, to signify that they came as suppliants
Part of Speech: noun feminine
Citing in TDNT: 3:296, 362
From a derivative of the base of G2425 (through the idea of approaching for a favor); intreaty: - supplication.
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 ἱκετηρία; click on the second column to search for that grammatical form of the root ἱκετηρία; click on the third column to search for that word and grammatical form; click on the total to search for the root ἱκετηρία.