1) At first 2) Originally 1) In the beginning 2) Originally 
• (adv.) Primarily; not derivatively. • (adv.) Originally; at first. • (adv.) According to the original rule or ancient practice; in the ancient style.
Prim'i·tive·ly adverb 1. Originally; at first. 2. Primarily; not derivatively. 3. According to the original rule or ancient practice; in the ancient style. South. 
[adv] - with reference to the origin or beginning 2. [adv] - in a primitive style or manner
adverb with reference to the origin or beginning adverb in a primitive style or manner; `rather primitively operated foundries`