immemorial is incorrectly written and should write it as "IMMEMORIAL-In Memorial" being its meaning:IMMEMORIAL, ( from time ) without registration of echos, works, others. We refer to immemorial by his condition of lack of record verifiable or transmitted by generations without registration. In memorial can refer to deceased who dedicates writes epitaph or dedication.
* Only one "like" per meaning and day, the more "likes" the meaning will appear higher in the list