IPA: //ˈpriː.æm.bəl//
KK: /ˈpriːˌæmbəl/
An introductory statement that explains the purpose of a formal document or law.
The preamble of the constitution outlines the fundamental principles of the nation.
Preamble → It is formed from "pre-" (meaning before) and "ambulare" (meaning to walk). The word "preamble" refers to something that walks before or introduces a statement or document.
Think of something that comes 'before' ('pre-') as it 'walks' ('ambulare') into a discussion — that's what a preamble does.