Greek
15th century, in the meaning defined above
“Atreus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Atreus. Accessed 10 Feb. 2026.
Britannica.com: Encyclopedia article about Atreus
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