probably from Italian, sharp (in music), symbol for a sharp, from Medieval Latin, quarter tone, from Latin, from Greek, from diiēnai to send through, from dia- + hienai to send — more at jet
circa 1706, in the meaning defined above
dies irae
diesis
dies juridicus
“Diesis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diesis. Accessed 31 Oct. 2024.
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