For people (actor & theme ma-) to do something four at a time; i.e., the second group of four begins after the first group of four finishes, and so on.
Occurs as part of a verb chain, see sec. 7.19.
Na'oppa'oppatdan gun nanāyaw hidin gotad.
They continually danced four at a time during the feast.
For people (agent; s agent maN-) to do something successively four at a time to or with someone or something (theme or loc ref -an).
Occurs as part of a verb chain, see sec. 7.19.
Henen madamot an āyiw ya na'appa'appātan ya un meyēet.
The heavy logs were brought home four at a time.