Where does “龍一” come from?

龍一 (Japanese) comes from Japanese 一, from Japanese 始め, from Japanese 始める — begin; start; initiate; originate.

Ancestry of “龍一”, step by step

龍一 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
1JapaneseKyūjitai form of 竜: |a Chinese dragon; Kyūjitai...
Every word from Japanese 始めるEvery word from Japanese 始めEvery word from Japanese