IPA: /ɛnˈrɛdʒɪstər/
KK: /ɛnˈrɛdʒɪstər/
To make a record of something, usually by writing it down or entering it in a list.
Please enregister your name on the attendance sheet.
Past: enregistered
Past Participle: enregistered
Enregister → It is formed from "en-" (meaning to cause to be in) and "registre" (from Old French, meaning to record or register). The word "enregister" means to cause something to be recorded or to register it.
Think of 'causing to be in' ('en-') a 'record' ('registre') — that's why enregister means to record something.