ab ovo
/ab ˈəʊvəʊ
/adverb
From the very beginning.And he was, Samuel, a great hope, a great man ab ovo, his father in miniature....
- Neither the somatic nor the psychobehavioral sexual characters, then, were laid down irreversibly ab ovo.
Synonyms
from the beginning, from the start, from the first;
from the egg
informal from the word go
Origin
Latin, literally 'from the egg'.