noun
Rashidun period; period of the Rightly Guided Caliphs (632-661 CE)
Historical term referring to the era of the first four caliphs in early Islam.
正統カリフ時代はイスラム史の重要な時期です。
The Rashidun period is an important era in Islamic history.
Compound of 正統 (orthodox, legitimate), カリフ (caliph), and 時代 (period, era).