The sentence that describes the etymology of a word is Option B. In pedometer, ped comes from the Latin pedis, which means
"foot."
Etymology is a study in English language and it helps to identify the origin of a particular word.
All words have their root from a particular place or object and therefore there is need to know the origin for accurate meaning of word.
Therefore, the sentence that describes the etymology of a word is Option B. In pedometer, ped comes from the Latin pedis, which means
"foot."
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