Clue: Adroitly moisten with oil at the time massaging gets under way! (6,2,6)
Answer: WHEELS IN MOTION
Explanation: Adroitly moisten with oil at the time massaging gets under way! (6,2,6)
An envelope ('massaging'?) of ELSINMOTIO, an anagram ('adroitly') of 'moisten' plus 'oil' in WHEN ('at the time').