銘
メイ, たか, み, め
inscription, signature (of artisan)
JLPT1 G7 S14 F1394
As per 名# (reveal oneself) + 金 metal → *engrave* an *inscription* in a metallic vessel, revealing the names of the artist or the person commissioning the work, the reasons for commemoration etc. → *inscribe*; *signature*; *motto* → *memorize* (← memorize something inscribed/written).
[Full Kanji Etymology List]