Where does “backslash” come from?

Backslash comes from English back and slash, with back tracing through French bac and Middle English bakke to Old Swedish nattbakka, ultimately from Latin bassus meaning low or deep.

backslash (English): The punctuation mark \; 2001, James T. Bretzke,...

Definitions

  1. The punctuation mark \; 2001, James T. Bretzke,...

Ancestry of “backslash”, step by step

backslash 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 slash

StepLanguageWordMeaning
1EnglishslashA slashing action or motion, "particularly"; A...
2Frenchesclachierto break
3Frankishslaitanto split, break
4Proto-Germanicslaitijaną
5Proto-Germanicslītanąto tear apart
6Proto-Indo-Europeansleyd-

Words derived from “backslash

Every word from Proto-Indo-European -yós