7 letters · 9 points in Scrabble
noun partial or total loss of memory
originFrom modified Latin amnesia, from Ancient Greek ἀμνησία (amnēsía, “forgetfulness”), a noun derivation from μιμνήσκω (mimnḗskō, “to remind, to remember”) prefixed with the alpha privative.
Etymology from Wiktionary, CC BY-SA 3.0