Translation

hejjihoggu means "Hedgehog" in English.
It's a katakanization, a loan-word.

hejjihoggu is normally written with katakana, as ヘッジホッグ.
hejjihoggu written with hiragana is へっじほっぐ.
hejjihoggu does not have kanji.
Romaji he jji ho ggu
Katakana
Hiragana
Meaning Hedge Hog

Orthography Notes

  • ッジ and ッグ contain a small tsu which makes the consonant of the syllable longer.

Synonyms

Scientific name: Erinaceinae.

Further Reading

Wikipedia: ハリネズミ (Hedgehog)