IPA: /ˈʌndərˌsaɪnd/
KK: /ˈʌndərˌsaɪnd/
Referring to the person or people who have signed a document, usually found at the end of that document.
The undersigned agree to the terms outlined in the contract.
A person whose name is written at the bottom of a document, indicating that they agree to its contents.
The undersigned agrees to the terms and conditions outlined in the contract.
Undersigned → It is formed from "under-" (meaning beneath or below) and "signed" (from the Latin "signare", meaning to mark or sign). The word refers to those who have signed a document, indicating their agreement or acknowledgment, typically placed beneath the text.
Think of someone who has 'marked' ('signare') their agreement 'beneath' ('under-') a document — that's why undersigned refers to those who have signed below.