Epicleydium or Epicleidium: How To spell?

The word Epicleydium is misspelled against Epicleidium, a noun meaning "A projection, formed by a separate ossification, at the scapular end of the clavicle of many birds."

Word contains consecutive vowels 'EI' in between alphabets epicl & dium is misspelled as 'EY'
Wrong Spelling:  epicl-ey-dium 
Correct Spelling:  epicl-ei-dium 
Check more misspelled words of Epicleidium to spell it correct.