The Hebrew noun chayil is remarkably versatile — meaning strength, valor, army, wealth, or virtue depending on context. It describes physical might, military prowess, moral excellence, and financial capacity all under a single concept of powerful competence.
Chayil is one of Hebrew's richest power words. The 'woman of chayil' in Proverbs 31:10 is not merely a 'virtuous woman' but a woman of powerful ability — strong, capable, excellent in all she does. Boaz recognizes Ruth as a woman of chayil (Ruth 3:11). God is praised as the source of chayil: 'It is He who gives you power to produce wealth' (Deuteronomy 8:18). Mighty warriors are called 'men of chayil.' This convergence of moral, physical, financial, and military excellence in one word reveals the Hebrew understanding that all forms of competence ultimately flow from God's empowering presence. True chayil is not self-generated but divinely given.