Where does “一宮” come from?

一宮 (Chinese) comes from Japanese 一宮, from Japanese 一, from Japanese 始め, from Japanese 始める — begin; start; initiate; originate.

Ancestry of “一宮”, step by step

StepLanguageWordMeaning
1Japanese一宮The highest temple in an area
2Japanese一one, 1; "term relating to the number one"; unity
3Japanese始めbeginning, the start of an activity or time...
4Japanese始めるbegin; start; initiate; originate
Every word from Japanese 始める →Every word from Japanese 始め →Every word from Japanese 一 →