supplicate
Concise Oxford English Dictionary © 2008 Oxford University Press:
supplicate /ˈsʌplɪkeɪt/
▶verb ask or beg for something earnestly or humbly.
– derivatives
supplicant adjective & noun,
supplication noun,
supplicatory adjective.
supplicant adjective & noun,
supplication noun,
supplicatory adjective.
– origin ME: from L. supplicat-, supplicare ‘implore’, from sub- ‘from below’ + placere ‘propitiate’.
'supplicate' also found in these Oxford entries:

