IOU /ˌaɪ əʊ ˈjuː $ -oʊ-/ BrE AmE noun [countable] informal
[ Date: 1700-1800 ; Origin: Representing I owe you ]
a note that you sign to say that you owe someone some money
IOU /ˌaɪ əʊ ˈjuː $ -oʊ-/ BrE AmE noun [countable] informal
[ Date: 1700-1800 ; Origin: Representing I owe you ]
a note that you sign to say that you owe someone some money
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012