borrowed from Medieval Latin, from Latin valva "leaf of a folding door" + -ula -ule — more at valve
1615, in the meaning defined above
valvul-
valvula
valvula connivens
“Valvula.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/valvula. Accessed 30 Nov. 2024.
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