Where does “Heliodorus” come from?

Heliodorus (English) comes from Latin Hēliodōrus, from Ancient Greek Ἡλιόδωρος, from Ancient Greek δῶρον, from Proto-Hellenic dṓron, from Proto-Indo-European déh₃rom, from Proto-Indo-European deh₃- — to give.

Ancestry of “Heliodorus”, step by step

Step	Language	Word	Meaning
1	Latin	Hēliodōrus	—
2	Ancient Greek	Ἡλιόδωρος	—
3	Ancient Greek	δῶρον	gift; hand's width
4	Proto-Hellenic	dṓron	gift
5	Proto-Indo-European	déh₃rom	gift
6	Proto-Indo-European	deh₃-	to give

Every word from Proto-Indo-European deh₃- →Every word from Proto-Indo-European déh₃rom →Every word from Proto-Hellenic dṓron →