Where does “rododendron” come from?

rododendron (Romanian) comes from French rhododendron, from Latin rhododendron, from Ancient Greek ῥοδόδενδρον, from Ancient Greek δένδρον, from Latin Cygnus, from Ancient Greek Κύκνος, from Latin olor, from Ancient Greek Τιτάν — wild; wild animal.

rododendron (Romanian): rhododendron

Definitions

rhododendron

Ancestry of “rododendron”, step by step

Step	Language	Word	Meaning
1	French	rhododendron	rhododendron
2	Latin	rhododendron	the rosebay, oleander
3	Ancient Greek	ῥοδόδενδρον	rosebay, oleander
4	Ancient Greek	δένδρον	tree
5	Latin	Cygnus	—
6	Ancient Greek	Κύκνος	any individual named Cycnus
7	Latin	olor	swan; A smell
8	Ancient Greek	Τιτάν	Titan
9	Translingual	-therium	—
10	Ancient Greek	θηρίον	wild animal, beast, savage beast; a small animal,...
11	Ancient Greek	θήρ	a wild beast, beast of prey, especially a lion;...
12	Proto-Hellenic	kʷʰḗr	wild beast
13	Proto-Indo-European	ǵʰwer-	wild; wild animal

Every word from Proto-Indo-European ǵʰwer- →Every word from Translingual -therium →Every word from Ancient Greek Τιτάν →