Meanings

to come within sight

primitive function

early Christianity

to start

Yuanshi Tianzun (one of the supreme divinities of Taoism)

to start

start

origin (of an artery, nerve, etc.)

primitive communism

protoplanetary disk

birth is the beginning of death

primitive community

nothing new

nothing new

primitive reflex

protoplanet

initial state

end-of-the-year holidays

even siblings turn into strangers

domain (of a function)