/
kaʊˈtaʊ/
v.
  - 
(often kowtow to)
 be excessively subservient towards someone.
 - historical kneel and touch the ground with the forehead in submission as part of Chinese custom.
 
n.
 historical an act of kowtowing.
Derivative
Etymology
C19: from Chin. kētóu, from kē ‘knock’ + tóu ‘head’.