1. existing at the beginning of time
1. The primordial ancestors of present-day animals were enormous fish-like creatures which later evolved into dinosaurs.
2. very ancient
2. Caves were the dwelling places of man's primordial ancestors.
primus (first) (Latin)
antediluvian, archaic, primordial
"primordial" = "prime" + "order" =first in the order = existing at the beginning, rudimentary mordial (moral) so as we know moral values exists from begning