primordial
adj.
late 14c., from Late Latin primordialis "first of all, original," from Latin primordium "a beginning, the beginning, origin, commencement," from primus "first" (see prime, adj.) + stem of ordiri "to begin" (see order, n.). Related: Primordially.
〔李〕[prim;ord;-iala.] a.原始的，初生的，最初的 ←prim (L primus)=first 初，始