Where does “brown study” come from?

brown study (English) comes from English study, from German studieren, from Italian studiare, from Spanish estudiar, from Spanish -ar, from Old Spanish -ar, from Latin -ō, from Proto-Indo-European -ō — Derives nouns from roots.

brown study (English): A melancholy mood accompanied by deep thought; a...

Definitions

  1. A melancholy mood accompanied by deep thought; a...

Ancestry of “brown study”, step by step

brown study traces back through two separate lines of ancestry.

via English study

StepLanguageWordMeaning
1EnglishstudyTo review materials already learned in order to...
2Germanstudierento study at university or college level; to be a...
3Italianstudiareto study
4Spanishestudiarto study; to examine, look into
5Spanish-arIn adjectives, indicating membership or status;...
6Old Spanish-arindicates membership or status
7Latinsuffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
8Proto-Indo-EuropeanDerives nouns from roots

via English Brown

StepLanguageWordMeaning
1EnglishBrownAlternative letter-case form of brown
2Middle Englishbroundark, dull, murky; brown; brown-haired
3Old EnglishBrūnbrown
4Proto-Germanicbrūnazbrown
5Proto-Indo-EuropeanbʰerH-to pierce; to strike; brown
Every word from Proto-Indo-European Every word from Latin Every word from Spanish -ar