Akademik

originally
adverb
1. in an original manner (Freq. 3)
Derived from adjective: ↑original
2. with reference to the origin or beginning (Freq. 1)
Syn: ↑primitively, ↑in the beginning
3. before now
-

why didn't you tell me in the first place?

Syn: ↑in the first place, ↑earlier, ↑in the beginning, ↑to begin with

Useful english dictionary. 2012.