Subselium or Subsellium: How To spell?

The word Subselium is misspelled against Subsellium, a noun meaning "One of the stalls of the lower range where there are two ranges. See Illust. of Stall."

Subsellium has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings subse & ium which should not be misspelled with single 'L'
Wrong Spelling:  subse-l-ium 
Correct Spelling:  subse-ll-ium 
Check more misspelled words of Subsellium to spell it correct.