The Collaborative International Dictionary
Subaction
Subaction \Sub*ac"tion\, n. [Cf. L. subactio a working up,
discipline.]
The act of reducing to any state, as of mixing two bodies
combletely. [Obs.]
--Bacon.
Wiktionary
subaction
Etymology 1 n. (context obsolete English) The act of reduce to any state, as of mixing two bodies completely. Etymology 2
n. An action that makes up part of a more complex action.