Middle of IOU (3)
I believe the answer is:
owe
(Other definitions for owe that I've seen before include "Need to pay" , "Ben in debt" , "Be beholden" , "Have a duty to pay" , "Have to thank" .)
I believe the answer is:
owe
(Other definitions for owe that I've seen before include "Need to pay" , "Ben in debt" , "Be beholden" , "Have a duty to pay" , "Have to thank" .)