LSJ Gloss:μνημόσυνονa remembrance, memorial, recordDodson:μνημόσυνονreminder, memorial, remembrance offeringreminder, memorial; a remembrance offering.
Strong's:μνημόσυνον a reminder (memorandum), i.e. recordDerivation: from G3421;KJV Usage: memorial. G3421
TBESG:μνημόσυνονmemorialG:N-N μνημόσυνον, -ου, τό (< μνήμων, mindful), [in LXX freq. for זֵכֶר, זִכְרוֹן and cogn. forms ;] a memorial: Refs Mat.26:13, Mrk.14:9, Act.10:4 (where cf. Refs Lev.2:9, 16 5:12, Num_5:28, Sir.45:16, al.).† (AS)
μνημόσυνον mnēmosunon mnay-mos'-oo-non From G3421; a reminder (memorandum), that is, recordKJV Usage: memorial.
μνημονεύω mnēmoneuō mnay-mon-yoo'-o From a derivative of G3420; to exercise memory, that is, recollect; by implication to punish; also to rehearseKJV Usage: make mention, be mindful, remember.