一切經音義 90.206

90.206

懇到（上肯恨反鄭注周禮懇願也廣雅懇誡也說文懇美也從心貇聲貇音苦本反傳文作墾是墾田字非此用也）。

Earnest devotion (懇到; the first character is kěn-hèn fan [kěn]. Zheng's commentary on the Rites of Zhou says: 'Kěn means wishing.' The Guangya says: 'Kěn means admonishing.' The Shuowen jiezi says: 'Kěn means earnest; derived from xīn 心 [heart] with kěn 貇 as phonetic.' Kěn 貇 is kǔ-běn fan [kěn]. The transmission writing kěn 墾 is the character for reclaiming fields, not for this usage).