Corn starch
Cornflour was developed in Scotland and became known as Corn starch, cornstarch, (American English) maize starch in North America, and Cornflour (British English). It is the starch powder derived from corn (maize) grain.
From Wikipedia
Cornflour was developed in Scotland and became known as Corn starch, cornstarch, (American English) maize starch in North America, and Cornflour (British English). It is the starch powder derived from corn (maize) grain.