IPA: /nɒnˈhɛrɪˌdɛri/
KK: /nɑnˈhɛrɪˌdɛri/
This term describes something that is not inherited from parents or ancestors, meaning it does not come from family lineage.
The condition was found to be nonhereditary, affecting only those without a family history of the disease.
Nonhereditary → It is formed from "non-" (meaning not) and "hereditary" (from Latin "hereditarius", meaning inherited or pertaining to inheritance). The word "nonhereditary" means not inherited or not passed down through generations.
Think of 'not' ('non-') when remembering that 'nonhereditary' refers to something that is not passed down through family inheritance.