noun
veteran; old-timer; experienced person
Refers to a person with long experience and established reputation, often in a field like sports, politics, or arts. Carries a nuance of respect for past achievements.
彼は政界の古豪として知られている。
He is known as a veteran of the political world.
その古豪の棋士が若手に挑戦した。
The veteran shogi player challenged the young player.
Compound of 古 (old) and 豪 (powerful person, hero). The exact historical derivation is uncertain, but the word has been used since at least the early 20th century to refer to respected veterans.