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出典:Wiktionary
Uncertain. W. W. Tarn suggested that the term is a nickname originating as syncope of Ancient Greek ζήτησις (zḗtēsis, “search”), perhaps referring to the expedition of Nearchus.
Zetis f sg (genitive Zetis); third declension
Third-declension noun (i-stem), with locative, singular only.
Zetis