suffix, noun which may take the genitive case particle 'no'
based on; originating from; premised on
Attaches to a noun to mean that something is founded on or starts from that thing. Often used in formal or analytical contexts, such as 計画ありき (plan-first approach) or 結論ありき (conclusion-driven).
This project was advanced with the budget as the starting point.
His argument is conclusion-driven and not open to discussion.