Jeremiah = "whom Jehovah has appointed"
1) the son of Hilkiah of the priests that were in Anathoth. He was called very young (B.C. 626) to the prophetic office, and prophesied 42 years. He probably died in Egypt.
Part of Speech: noun proper masculine
Citing in TDNT: 3:218,*
Of Hebrew origin [H3414]; Hieremias (that is, Jermijah), an Israelite: - Jeremiah.
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 Ἰερεμίας; click on the second column to search for that grammatical form of the root Ἰερεμίας; click on the third column to search for that word and grammatical form; click on the total to search for the root Ἰερεμίας.