Colyrium or Collyrium: How To spell?
The word Colyrium is misspelled against Collyrium, a noun meaning "An application to the eye, usually an eyewater."
Collyrium has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings co & yrium which should not be misspelled with single 'L'
Wrong Spelling:  co-l-yrium  Correct Spelling:  co-ll-yrium 
Check more misspelled words of Collyrium to spell it correct.