Where does “backstairs” come from?

backstairs (English) comes from English back, from French bac, from French baccalauréat, from Medieval Latin baccalaureatus, from Latin baccalaureus, from Latin laurea, from Latin laurus, from English -aceous — Creates adjectives from noun or verb stems.

backstairs (English): A staircase at the rear of a building or one...

Definitions

  1. A staircase at the rear of a building or one...

Ancestry of “backstairs”, step by step

backstairs traces back through two separate lines of ancestry.

via English back

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

via English stairs

StepLanguageWordMeaning
1Englishstairsplural of stair; API pl; A contiguous set of...
2EnglishstairA single step in a staircase; A series of steps;...
3Middle Englishsteirestaircase, stairs; stair, step; ladder
4Old Englishstǣġerstair, staircase
5Proto-Germanicstaigrizscaffold, platform; stairs
6Proto-Indo-Europeansteyǵʰ-to go
Every word from Proto-Indo-European -yós
backstairs — Etymology, Origin & Word History | Etymology Explorer