Slang word for money.
Possibly from Yiddish 'maloh' or Hebrew 'millah' (word), though some suggest it comes from Irish Gaelic 'moula' (wealth) or even from an East Indian language. The slang term became popular in America in the early 1900s.
Moolah is one of those mysteries of language—linguists still aren't 100% sure where it came from, which makes it perfect for a word that represents something slippery and hard to pin down: money itself!
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