Latin cadūcus "on the verge of collapsing, ready to fall (of fruit), transitory" (from cadere "to fall" + -ūcus "performing the action [of the verb specified]") + -ous — more at chance entry 1
1775, in the meaning defined above
“Caducous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/caducous. Accessed 4 Dec. 2023.
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