Meaning

noun an account of the author's personal experiences

noun an essay on a scientific or scholarly topic

originEtymology tree Proto-Indo-European *(s)mer-der.? Latin memor Proto-Indo-European *-yós Proto-Italic *-ios Old Latin -ios Latin -ius Latin -ia Latin memoria Old French memoire Middle French memoire French mémoirebor. English memoir Borrowed from French mémoire, from Middle French memoire, from Old French memoire, from Latin memoria. Doublet of memoria and memory.

Etymology from Wiktionary, CC BY-SA 3.0