connascence

Meaning

Noun

• The birth of two or more things at the same time; A simultaneous coming into being.
• The state of being born into the same family, race, or group; a commonality of heritage or birthright.
• The act of growing or developing together.
• A relationship between two or more elements of software in which changing one necessitates changing the others in order to maintain overall correctness; a metric for such a relationship.

Origin

• con- + nascence. In the software engineering sense introduced by Meilir Page-Jones.