valiant courage; fierce bravery
Literary or formal term for exceptional bravery; not an everyday word. Often used in descriptions of heroic or martial valor.
彼の猛勇な行動が多くの人を救った。
His valiant actions saved many people.
Compound of 猛 (fierce, intense) and 勇 (courage). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning of fierce bravery.