ASSID'UOUS, a. L. assiduus, from assideo, to sit close, ad and sedeo Eng. to sit.
1. Constant in application as a person assiduous in his occupation.
2. Attentive careful regular in attendance as an assiduous physician or nurse.
3. Performed with constant diligence or attention as assiduous labor.
The King James Bible has stood its ground for nearly 400 years. However, during that time the English language has changed, and with it the meanings of some words it used. Here are more than 6,500 words whose definitions have changed since 1611.Wikipedia
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