underaction
n. துணைவினை, துணைமைச் செயல், துணைப்போர்நிகழ்ச்சி.
Un"der*ac`tion, n. Defn: Subordinate action; a minor action incidental or subsidiary to the main story; an episode. The least episodes or underactions . . . are parts necessary or convenient to carry on the main design. Dryden.