Where does “フランス窓” come from?

フランス窓 (Japanese) comes from Japanese フランス, from English France, from French France, from Middle French France, from Old French France, from Latin francia, from Latin -ia, from Latin -ius — Creates adjectives from noun or verb stems.

フランス窓 (Japanese): French window

Definitions

  1. French window

Ancestry of “フランス窓”, step by step

フランス窓 traces back through two separate lines of ancestry.

via Japanese フランス

StepLanguageWordMeaning
1JapaneseフランスFrance
2EnglishFrancefamously held by
3FrenchFrance—
4Middle FrenchFrance—
5Old FrenchFrance—
6Latinfrancianominative plural of francium; accusative plural...
7Latin-iaUsed to form a feminine abstract noun, usually...
8Latin-iusforming adjectives from nouns; nominative neuter...
9Proto-Italic-jōsForms comparative adjectives
10Proto-Indo-European-yósCreates adjectives from noun or verb stems

via Japanese 窓

StepLanguageWordMeaning
1Japanese窓window
Every word from Proto-Indo-European -yós →Every word from Latin -ia →Every word from Latin -ius →