also: てんま
noun
Pegasus; flying horse
Refers to the mythical winged horse, especially Pegasus from Greek mythology. Also used in Japanese fantasy contexts for any flying horse.
天馬ペガサスはギリシャ神話に登場する。
The flying horse Pegasus appears in Greek mythology.
夜空に天馬座を見つけた。
I found the constellation Pegasus in the night sky.
Katakana loanword directly from English 'Pegasus', used in the same contexts but more modern/casual.
From Chinese 天馬 (tiānmǎ, 'heavenly horse'), originally referring to a mythical horse or a fine steed. In Japanese, it became associated with the Greek Pegasus through shared imagery.