A person who is absent or stays away from a place where they are expected or required to be.
From absent (Latin absentem, away) + -er (a suffix forming agent nouns, indicating someone who performs an action). The word literally means 'one who absents.'
Medieval schools kept detailed 'absenter rolls' to track which students were skipping classes, and these records were sometimes sent to parents—early versions of today's absence notes and attendance apps!
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