Components in this compound:

purci

x₁ is in the past of/earlier than/before x₂ in time sequence; x₁ is former; x₂ is latter.

jmive

x₁ lives/is alive by standard x₂; x₁ is an organism/living thing.

saske

x₁ (mass of facts) is science of/about subject matter x₂ based on methodology x₃.

prenu

x₁ is a person/people (noun) [not necessarily human]; x₁ displays personality/a persona.