14th century, in the meaning defined above
Middle English fosse, borrowed from Anglo-French, going back to Latin fossa "ditch, trench," noun derivative from feminine of fossus, past participle of fodere "to jab, dig" — more at fossil entry 1
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“Fosse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fosse. Accessed 26 Jun. 2022.
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