To improve the quality, amount, or. When enhance was borrowed into english in the 13th century, it literally meant to raise something higher. Exercises that enhance cardiovascular health;
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To improve the quality, amount, or strength of something: Meaning, pronunciation, picture, example sentences, grammar, usage notes,. To improve or augment, especially in effectiveness, value, or attractiveness:
That sense, though now obsolete, provides a clue.
Definition of enhance verb in oxford advanced learner's dictionary. To enhance something means to improve its value, quality, or attractiveness.