"Ignoble" means "not noble", "ig" can be regarded as a prefix meaning "not".
If the Nobel prize is awarded for "outstanding achievements", the Ig Nobel is then the other prize, the opposite.
View page
The Ig Nobel prize ceremony is an annual event that is a parody
of the Nobel prize ceremony. The prizes vary by category and year,
usually the prizes are a small plaque or statue, much like the
Nobel prizes.
View page
The participant of ''Ig nobel prize competition '' JOHN KEOGH
patented the wheel !