Translation

puronguhōn means "Pronghorn" in English.
It's a katakanization, a loan-word.

puronguhōn is normally written with katakana, as プロングホーン.
puronguhōn written with hiragana is ぷろんぐほーん.
puronguhōn does not have kanji.
Romaji pu ro n gu hoo n
Katakana
Hiragana

Orthography Notes

Further Reading