noun, noun which may take the genitive case particle 'no'
strength; toughness; bravery; boldness
Refers to physical or mental fortitude, often in a somewhat literary or traditional context. Can be used attributively with の.
See also: 剛の者
彼は剛の者として知られている。
He is known as a man of strength and bravery.
剛の精神で困難を乗り越えた。
He overcame the difficulties with a spirit of fortitude.
The kanji 剛 carries the meaning of strength and firmness. The reading ごう is the on'yomi. The exact historical derivation of the word is uncertain, but it has been used in classical Japanese to denote a person of valor or fortitude.