Κύθνιος
Could not find Κυθνίοις in Logeion dictionaries.
Κυθνίοις Proper-name adjective: masculine dative plural, Proper-name adjective: neuter dative plural of Κύθνιος
Κύθνιος, α, ον, de Kythnos, Alex. (Ath. 616e) ; οἱ Κύθνιοι, Hdt. 8, 46, les habitants de Kythnos.
Étym. Κύθνος.