Extended Strong's Hebrew Lexicon (Brown-Driver-Briggs based)
Immer
Usage: A man of the tribe of Levi living at the time of Exile and Return, first mentioned at 1Ch.9.12; father of: Meshillemith (H4921) § Immer = "he hath said" 1) a priest in David's time 2) a priest in Jeremiah's time 3) the father of Zadok the priest 4) an ancestor of a priest