Abbott-Smith Manual Greek Lexicon
ὑπογραμμός (G5261)
1 **† ὑπογραμμός , -οῦ, ὁ ( ὑπογράφω , (a) to write under ; (b) to trace letters for copying ), [in LXX: II Mac 2:28 * ;] a writing-copy , hence, an example : I Pe 2:11 (Philo).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain