Phil in SF quoted Judgment at Tokyo by Gary J. Bass
In the weeks after Japan finally surrendered to the Allies to end World War II, …
Mao's underlings rebuked the Nationalists for moving too slowly to arrest and prosecute war criminals, accusing them of truckling to the Japanese.
— Judgment at Tokyo by Gary J. Bass (Page 500)
new word: truckling
submit or behave obsequiously