Translation

sandaabaado means "Thunderbird" in English.
It's a katakanization, a loan-word.

sandaabaado is normally written with katakana, as サンダーバード.
sandaabaado written with hiragana is さんだーばーど.
sandaabaado does not have kanji.
Romaji sa n da a ba a do
Katakana
Hiragana
Meaning Thunder Bird

Orthography Notes