phosphoenolpyruvate
/ˌfɒsfəʊˌiːnɒlpʌɪˈruːveɪt/Biochemistry
noun
The anion CH2C(OPO(OH)2)COO−, or a compound containing this, the conversion of which to pyruvate in glycolysis provides a phosphate group for the formation of ATP from ADP. Abbreviated PEP.
Origin
1940s; earliest use found in Science. From phospho- + enol + pyruvate.