Complex sentence: The "Okikaze-shū" is a personal collection ("kashū ") of the"waka" of the 10th-century poet Fujiwara no Okikaze.
Split into simpler sentences: The "Okikaze-shū" (興風集), is a Japanese anthology of "waka" poetry. It is the personal anthology ("kashū") of Fujiwara no Okikaze.