Κροῖσος

See also: Κροίσος

Ancient Greek

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Croesus

Wikipedia

From Lydian. Proposals for origin include:

*Krowisas, from *Karos (proper name) + *-w- (semivowel) + *isas (“master, lord, noble”),^[1]
*Karošiš (“one of grace, the generous one”).^[2]

Κροῖσος • (Kroîsos) m (genitive Κροίσου); second declension

Case / #	Singular
Nominative	ὁ Κροῖσος ho Kroîsos
Genitive	τοῦ Κροίσου toû Kroísou
Dative	τῷ Κροίσῳ tôi Kroísōi
Accusative	τὸν Κροῖσον tòn Kroîson
Vocative	Κροῖσε Kroîse
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.

^ Kearns, J.M. (1997) “A Lydian Etymology for the Name of Croesus”, in Disterheft, Dorothy, Huld, Martin E., Greppin, John A.C., Polomé, Edgar C., editors, Studies in Honor of Jaan Puhvel-Part One: Ancient Languages and Philology, Washington D.C.: Institute for the Study of Man, →ISBN, pages 23-28
^ Garnier, Romain, Sagot, Benoît (2018) “New results on a centum substratum in Greek: the Lydian connection”, in International Colloquium on Loanwords and Substrata in Indo-European languages, Jun 2018, Limoges, France‎^[1], pages 169-200