The connotation of prudence as caution, or aversion to risk, is a modern invention. “Prudence” comes from the Latin “prudentia,” meaning sagacity or expertise. The earliest English uses from the 14th century had little to do with fearfulness or habitual reluctance. Rather, it signified righteous decision making that is rooted in acuity and practical wisdom.
Arthur C. Brooks resgata o sentido original da palavra prudência. O artigo pode ser lido na íntegra aqui.