-esis

noun suffix
-e·​sis | \ ˈēsə̇s, əsə̇s\
plural -eses\ ˈē(ˌ)sēz , əˌsēz \

Definition of -esis

: action : process enuresis

History and Etymology for -esis

Middle English, from Old English, from Latin, from Greek -esis, -ēsis, from -e-, -ē-, derivational element attached to certain verbs + -sis, feminine suffix of action

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