Where does “Єлїссє́й” come from?

Єлїссє́й (Old Church Slavonic) comes from Ancient Greek Ἐλισσαῖος, from Biblical Hebrew אֱלִישָׁע.

Ancestry of “Єлїссє́й”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Ἐλισσαῖος	—
2	Biblical Hebrew	אֱלִישָׁע	—

Єлїссє́й — Etymology, Origin & Word History | Etymology Explorer