Alternative form of ヒュドラー (Hyudorā, “Hydra”)

(Greek mythology) the Hydra

a monster / a mysterious figure

a lot / a majority

largely; mostly

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

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

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

Greece

to hold, to carry something / to have, to possess / to hold up, to maintain