Among others (4)
'among others' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for inter alia that I've seen before include "amongst other things" , "amongst others" , "Midst other things" , "among others" , "Among other things, in Latin" .)
(Other definitions for etal that I've seen before include "elsewhere" , "the rest" , "and others . . ." .)