In the same manner, to the same degree, or in equal measure; fairly and impartially.
From Latin aequalis meaning 'uniform, equal,' from aequus 'level, even, fair.' The concept evolved from physical leveling (as in balance scales) to abstract fairness and justice. Related to 'equity' and 'adequate.'
Equally stems from the image of perfectly balanced scales - every time we use this word, we invoke ancient concepts of cosmic justice and mathematical precision. The Latin root aequus gave us not just 'equal' but 'adequate' and 'equity,' showing how physical balance became the foundation for moral and social concepts of fairness.
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