Translation

yasude means "Millipede" in English.

yasude is normally written with katakana, as ヤスデ.
yasude written with hiragana is やすで.
yasude written with kanji is 馬陸.
These are jouyou kanji 常用漢字, taught in the fourth year of shougakkou 小学校.
Romaji ya su de
Hiragana
Katakana
Kanji
Meaning Horse Land
School Level 小2, 小4

Orthography Notes

  • yasude is a jukujikun 熟字訓 reading for 馬陸 in this word. That is: those kanji are only read that way when they come together like that.

Trivia

  • The animal with most legs in the world is a millipede: the Illacme plenipes, with 750 legs. [1]

Further Reading

Wikipedia: ヤスデ (Millipede)
  1. Illacme_plenipes - en.wikipedia.org, accessed .