Where does “amnesiac” come from?

amnesiac (English) comes from English amnesia, from Latin amnesia, from Ancient Greek ἀμνησία, from Ancient Greek ἀ-, from Proto-Hellenic hə-, from Proto-Indo-European sm̥-, from Proto-Indo-European sem- — together, one.

amnesiac (English): Person who suffers from loss of memory

Definitions

  1. Person who suffers from loss of memory

Ancestry of “amnesiac”, step by step

StepLanguageWordMeaning
1EnglishamnesiaLoss of memory; forgetfulness; Forgetfulness
2Latinamnesia
3Ancient Greekἀμνησίαforgetfulness
4Ancient Greekἀ-The alpha privativum, used to make words that...
5Proto-Hellenichə-same; together
6Proto-Indo-Europeansm̥-one; with, together
7Proto-Indo-Europeansem-together, one
Every word from Proto-Indo-European sem-