noun
public nature; publicness; commonality
Refers to the quality of being public, affecting society as a whole, or being shared by the community. Often used in discussions of policy, ethics, and social responsibility.
この事業には高い公共性が求められる。
This project requires a high degree of publicness.
公共性の観点から、その政策
We need to evaluate that policy from the perspective of public nature.
公共 is a broader term meaning 'public' or 'community', whereas 公共性 specifically refers to the abstract quality or nature of being public.
Compound of 公共 (kōkyō, 'public') and 性 (-sei, '-ness, nature'). The exact historical derivation is straightforward; the term is a modern Sino-Japanese coinage.