___ favor

POR

This Spanish word means "by" or "for" and often appears in phrases about exchanges or requests.

This clue is looking for a Spanish word meaning "for" that fits before "favor" to form the common phrase "por favor"—which translates to "please." The blank hints at a short word, and since "por" is only three letters, it’s the perfect match. It’s a straightforward fill-in-the-blank where knowing basic Spanish or the phrase itself makes it obvious.