even if one says

(Greek mythology, Roman mythology) Cerberus, the mythical three-headed dog / (astronomy) the 4th moon of Pluto, discovered in 2011

myth; mythology (divine story) / myth (baselessly absolutized concept)

entrance in a performance / appearance in a scene or situation; arrival

appear in a performance, for a character to enter / enter the scene, arrive

three things [small or without a counter category]

Alternative form of 三つ (mittsu)

(archaic) to stand watch over something, to be on the lookout for something (such as a watchman controlling entry to a place) / (archaic) to protect or defend something, to ensure that something is safe

護る: to protect, to defend / to watch carefully / to abide (by rules), to observe (regulations)

(Classical Japanese) to be watching continuously, to be on watch repeatedly, to be on look out