Making a short, high-pitched sound like a young bird; chirping or peeping.
From Old English origins, likely imitative in nature. The word mimics the actual sound birds make—'cheep' is onomatopoeia that's been used since at least the 1500s.
Onomatopoeia like 'cheep' proves that words can emerge from mimicking sounds rather than inherited roots—a baby chicken literally says 'cheep cheep,' so we just named the sound what it is!
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