DictionaryRoot: ambulare
Latin
ambulare
to walk, go about
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noun
preamble
PREE-am-bul/ˈpriːæmbl/
An introductory statement before a document, speech, or main action.
Etymology
The underlying image is “walking before”: a preamble goes ahead of the main text. This became a preliminary statement, often explaining the purpose of the formal document that follows.