Where does “アメリカ人” come from?

アメリカ人 (Japanese) comes from Japanese アメリカ, from English America, from Latin America, from Italian Amerigo, from Proto-Germanic *Amalarīks, from Proto-Germanic Haimarīks, from Proto-Germanic rīks, from Proto-Celtic rīxs — to straighten, to right oneself; right; just.

アメリカ人 (Japanese): American person

Definitions

  1. American person

Ancestry of “アメリカ人”, step by step

アメリカ人 traces back through two separate lines of ancestry.

via Japanese アメリカ

StepLanguageWordMeaning
1JapaneseアメリカAmerica, United States
2EnglishAmerica—
3LatinAmerica—
4ItalianAmerigo—
5Proto-Germanic*Amalarīks—
6Proto-GermanicHaimarīksHenry
7Proto-Germanicrīksking, ruler
8Proto-Celticrīxsking
9Proto-Indo-Europeanh₃rḗǵsking, ruler
10Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just

via Japanese 人

StepLanguageWordMeaning
1Japanese人a person, human; an individual; mankind, people
2Proto-Japonic*pitəone
Every word from Proto-Indo-European h₃reǵ- →Every word from Proto-Indo-European h₃rḗǵs →Every word from Proto-Celtic rīxs →