Kokoro, by Natsume Soseki (paragraph #1271)

「屹度御頼もうして置いた口の事だよ」と母が推斷して呉れた。

translation

My mother suggested, "It's something I asked you to do."

kanji (pronunciations & definitions)
屹度: surely (きっと), surely (キッと), undoubtedly, undoubtedly, almost certainly : mouth (くち), opening, hole, gap, orifice : thing (こと), thing (こん), matter, matter, incident : mother (あも), mother (いろは), mother (おも), mother (かか), mother (はは)

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