Where does “melissic” come from?

melissic (English) comes from Ancient Greek Μέλισσα, from Ancient Greek μέλισσᾰ — bee.

Ancestry of “melissic”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Μέλισσα	—
2	Ancient Greek	μέλισσᾰ	bee

melissic — Etymology, Origin & Word History | Etymology Explorer