noun
Refers to boldness or fearlessness, often in the phrase 度肝を抜く (to astonish or startle someone). The word itself is a noun, but it is most commonly encountered in set expressions.
彼の度肝を抜くようなパフォーマンスに、会場は静まり返った。
The audience fell silent at his astonishing performance.
あの新人の度肝の
I'm amazed at how unflappable that new employee is.
Emphatic katakana ド plus 肝; the reading ドぎも is a natural voiced variant.
Compound of 度 (ど, degree/extent) and 肝 (きも, liver/guts). The reading ぎも is a voiced variant (rendaku) of きも. The word figuratively refers to one's innermost courage.