Where does “ブルーバック” come from?

ブルーバック (Japanese) comes from Japanese バック, from English back, from French bac, from French baccalauréat, from Medieval Latin baccalaureatus, from Latin baccalaureus, from Latin laurea, from Latin laurus — Forms comparative adjectives.

ブルーバック (Japanese): blue screen

Definitions

  1. blue screen

Ancestry of “ブルーバック”, step by step

ブルーバック traces back through two separate lines of ancestry.

via Japanese バック

StepLanguageWordMeaning
1Japaneseバックback; go back
2EnglishbackNear the rear; Not current; Far from the main...
3Frenchbacferry; vat; high school exit exam in France; A...
4Frenchbaccalauréatbaccalaureat; bachelor's degree
5Medieval Latinbaccalaureatusbachelor's degree
6Latinbaccalaureusbachelor
7Latinlaurealaurel, bay tree; crown, wreath or branch of...
8Latinlauruslaurel tree; laurels; a crown of laurel
9English-aceousOf, relating to, resembling or containing the...
10Latin-āceusaceous; resembling, having the nature of, forming, belonging to
11Latin-āxish, -y
12Latin-iumSuffix used to form abstract nouns, sometimes...
13Latin-iusforming adjectives from nouns; nominative neuter...
14Proto-Italic-jōsForms comparative adjectives

via Japanese ブルー

StepLanguageWordMeaning
1Japaneseブルーblue
2EnglishBlueA letterman at Oxford or Cambridge; A member of...
3Middle Englishblēwe
4Anglo-Normanblewblue
5Middle Frenchbleublue
6Old Frenchblöeblue
7Latvianblāvusaccusative plural masculine form of blāvs
8Old High Germanblāoblue, dark, grey; blue; yellow
9Proto-West Germanicblāublue
10Proto-Germanicblēwazblue; a dark bluish or grey colour, black
11Proto-Indo-Europeanbʰlēw-yellow, blond, grey
Every word from Proto-Italic -jōsEvery word from Latin -iumEvery word from Latin -ius