Where does “一層” come from?

一層 (Japanese) comes from Japanese 一, from Japanese 始め, from Japanese 始める — begin; start; initiate; originate.

一層 (Japanese): much more; still more; all the more

Definitions

  1. much more; still more; all the more

Ancestry of “一層”, step by step

一層 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japaneseone, 1; "term relating to the number one"; unity
2Japanese始めbeginning, the start of an activity or time...
3Japanese始めるbegin; start; initiate; originate

via Japanese

StepLanguageWordMeaning
1Japaneselayer
Every word from Japanese 始める