Esperanto edit

Esperanto ordinal numbers
 <  37-a 38-a 39-a  > 
    Cardinal : tridek ok
    Ordinal : tridek-oka

Etymology edit

From tridek ok +‎ -a.

Adjective edit

tridek-oka (accusative singular tridek-okan, plural tridek-okaj, accusative plural tridek-okajn)

  1. (ordinal number) thirty-eighth