Ῥόδος

See also: Ρόδος

Ancient Greek

English Wikipedia has an article on:

Rhodes

Wikipedia

Three possibilities are:

Pre-Greek name - see Phoenician 𐤄𐤓𐤏𐤃 (hrʿd, “snake”), a reference to the serpents that had supposedly inhabited the land in ancient times.^[1]
From ῥόα (rhóa, “pomegranate”).
From ῥόδον (rhódon, “rose”).

Ῥόδος • (Rhódos) f (genitive Ῥόδου); second declension

This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.

“Ῥόδος”, in Liddell & Scott (1940), A Greek–English Lexicon, Oxford: Clarendon Press
“Ῥόδος”, in Liddell & Scott (1889), An Intermediate Greek–English Lexicon, New York: Harper & Brothers
“Ῥόδος”, in Autenrieth, Georg (1891), A Homeric Dictionary for Schools and Colleges, New York: Harper and Brothers
“Ῥόδος”, in Slater, William J. (1969), Lexicon to Pindar, Berlin: Walter de Gruyter
Strong, James (1979), “G4499”, in Strong’s Exhaustive Concordance to the Bible
Woodhouse, S. C. (1910), English–Greek Dictionary: A Vocabulary of the Attic Language‎^[1], London: Routledge & Kegan Paul Limited, page 1,024