most, -est, -most

matchless, peerless, unparalleled, unrivalled (used attributively)

The hiragana syllable こ (ko). Its equivalent in katakana is コ (ko). It is the tenth syllable in the gojūon order; its position is か行お段 (ka-gyō o-dan, “row ka, section o”).

(idiomatic) the course of events by Heaven, God's providence