Etymology

From Proto-Germanic *mīmrōną ‎(“to be mindful, remember”), from Proto-Indo-European *(s)mer- ‎(“to remember, be mindful”). Akin to Saterland Frisian mīmerje "to ponder, reflect on", Middle Low German mīmeren, mīmern "to ponder, reflect on", Old English mimor "mindful". More at remember, mammer.