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Where does the word "crucial" come from? It comes from Latin crux, passing through French before entering English (1830s).
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Where does the word "crucial" come from? It comes from Latin crux, passing through French before entering English (1830s).
Crucial’s story begins in Latin: crux meant “cross.” The root of 'crucifix' and 'crusade'. By 1700s, the word had taken hold in French as crucial. Francis Bacon's 'instantia crucis', a crossroads test, gave the sense 'decisive'. It reached English by 1830s as crucial. 'crucial' as 'very important' dates from the 1900s. Today, crucial means decisive; critical.
- Stage 1 · Latin · ancient crux "cross", the root of 'crucifix' and 'crusade'.
- Stage 2 · French · 1700s crucial "cross-shaped", Francis Bacon's 'instantia crucis', a crossroads test, gave the sense 'decisive'.
- Stage 3 · English · 1830s crucial "decisive", 'crucial' as 'very important' dates from the 1900s.