Correct spelling for the English word "baidu" is [bˈe͡ɪduː], [bˈeɪduː], [b_ˈeɪ_d_uː] (IPA phonetic alphabet).
The word "Baidu" is a Chinese transliteration of the English word "hundreds". It was chosen to reflect the company's mission to provide a vast amount of information and services. The pronunciation of "Baidu" in Chinese is "bā duì" (八八对), which sounds similar to "hundreds" in English. Baidu was founded by Robin Li and Eric Xu in 2000 and is currently one of the largest internet companies in China, primarily known for its search engine.