Zhège zì de zhège yìsi zhǐ jiànyú gǔwén, xiànzài yǐjīng bú yòng le.
This meaning of the character appears only in classical texts; it is no longer used today.
Tips
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见于 is formal and written. 见 here means 'to appear' and 于 'in', so it is not 'to see'. Common frames: 最早见于 'first recorded in' before a book title, and 多见于 'mostly found in'.