borrowed from Latin vermiculātus "marked with wavy lines," from vermiculus "insect larva, grub" (from vermis "worm" + -culus, diminutive suffix) + -ātus -ate entry 3 — more at worm entry 1
1605, in the meaning defined at sense 1
“Vermiculate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vermiculate. Accessed 21 Sep. 2023.
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