The Hanyu Pinyin is chūn, a form of sound. From wood, spring sound. Original meaning: name of wood. Refers to the big tsubaki. Ancient legend of great tsubaki longevity, later because of the metaphorical father. e.g. Tsubaki Nian. E.g.: In the ancient times, there was a big tsubaki. --Chuang Tzu - Free and Easy. Sima's note: "Tsubaki wood a 橓."
chu
Multi-syllabic characters, jiǎo, jiū, qiū.
jiǎo: form <book> [terrain] low; low-lying
jiū: form of tranquility. 如:湫然(清静的样子)
qiū:名水潭。 Cave. E.g., chu-po (water pool); chu-sui (pond water)