immemoria

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

immĕmŏrĭa (inm-), ae, f. [in-memoria],

unmindfulness , forgetfulness (= oblivio; post-class.): cum reversus locum thesauri immemoriā non repeteret, Dig. 41, 2, 44.