apostrophy mark at the end of a word

Hi.

I’m stuck with a word eklimpanei’.
I don’t know why there is an apostrophy mark there.
Why ?



Here is the sentence which includes it.

  • eph’ : + gen. : in the time of — in the time of the ancients, in the time of Cyros / on the occasion of / (+ gen. of person) in presence of, before
  • ho^n : = ta noe^ta
  • oun
  • ekleipei : ekleipo^ : (intransitive) to die / (intransitive) to leave off, cease, stop / (intransitive) to fail, be wanting
  • he^
  • aisthe^sis
  • , (comma)
  • kai
  • he^
  • toiaute^
  • episte^me^
  • eklimpanei’ : eklimpano^ = ekleipo^
  • . (period)