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obfirm from Latin obfirmare, offirmare, from ob-, of- to, against, over + firmare to make firm; obfirmate from Latin obfirmatus, offirmatus, past participle of obfirmare, offirmare to make firm
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“Obfirm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/obfirm. Accessed 11 Aug. 2022.
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