This name derives from the Old High German name “Ernust” from the Ancient Germanic word “*ernustuz”, meaning "efficient, capable, diligent, sure, seriousness, earnest, strength, solidity". Saint Ernest (died 1148) was the abbot of the Benedictine Zwiefalten Abbey at Zwiefalten, Germany during the 12th century. Little is known about Saint Ernest's life. He was born in Steisslingen, Germany, he became the abbot of the Benedictine abbey of Zwiefalten, Germany, he went to the Holy Land and fought in the second crusade organized by Conrad III, and stayed there after its end.
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