genetic

Primarily associated with biology and medicine, this word carries a clinical, scientific tone. It describes traits or conditions that are "hard-wired" into an organism from birth, suggesting a sense of inevitability or biological destiny. In a linguistic context, it shifts from biological DNA to the "ancestry" of languages. Here, it implies a shared root or a common ancestor from which different branches evolved, mirroring the logic of a family tree. Unlike "hereditary," which focuses on the act of passing traits from parent to offspring, "genetic" refers more broadly to the underlying mechanism—the genes themselves.