List-ending abbreviation (4)
(Other definitions for etal that I've seen before include "the rest" , "and others . . ." , "elsewhere" .)
'list-ending abbreviation' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for etc that I've seen before include "And so forth (abbr)" , "And so on, in brief" , "And so on, briefly" , "'And the rest, in short (3)'" , "Etcetera (abbrev.)" .)