IPA: /ˌrɛzɪgˈneɪʃən/
KK: /ˌrɛzɪgˈneɪʃən/
A formal statement or act of giving up a job or position, often in writing.
After much thought, she submitted her resignation to the company.
Resignation → It is formed from "re-" (meaning again or back) and "signare" (meaning to sign). The word refers to the act of signing back or giving up a position, often in a formal manner.
Think of 'signing back' ('re-' means again and 'signare' means to sign) to remember that resignation means formally giving up a position.