Meanings
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Simplified etymology
Utmost comes from Old English ūt(e)mest, meaning “outermost.” The expression one’s utmost, meaning one’s greatest possible effort or very best, dates from the early 17th century.
Etymology
From Old English ūtmest ('outermost'), a double superlative of ūt ('out') plus -mest; later associated with the superlative '-most'.
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