Where does “hypercatalexis” come from?

hypercatalexis (English) comes from English hypercatalectic, from Latin hypercatalēcticus, from Ancient Greek ὑπερκατάληκτος.

hypercatalexis (English): The addition of one or two syllables to the last...

Definitions

Step	Language	Word	Meaning
1	English	hypercatalectic	Which has an extra syllable added to the last...
2	Latin	hypercatalēcticus	—
3	Ancient Greek	ὑπερκατάληκτος	—

hypercatalexis — Etymology, Origin & Word History | Etymology Explorer