Abbott-Smith Manual Greek Lexicon
μνημόσυνον (G3422)
3 μνημόσυνον , -ου, τό ( μνήμων , mindful ), [in LXX freq. for זֵכֶר , זִכָּרוֹן and cogn. forms;] a memorial : Mt 26:13 , Mk 14:9 , Ac 10:4 (where cf. Le 2:9 , 16 5:12 , Nu 5:28 , Si 45:16 , al.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain