Where does “backslang” come from?

backslang (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.

backslang (English): A form of slang composed of words whose spelling...

Definitions

  1. A form of slang composed of words whose spelling...

Ancestry of “backslang”, step by step

backslang 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 slang

StepLanguageWordMeaning
1EnglishslangLanguage outside of conventional usage and in the...
2EnglishslingTo throw with a circular or arcing motion; To...
3EnglishspiderlingAn immature spider; Any of various herbaceous...
4EnglishLingAny of various codlike saltwater fish often used as food by humans, those of the genus Molva, in the family Lotidae
5Middle EnglishlingAny of various varieties of heather or broom
6Old Norselyngheather, ling
7Proto-Germaniclingwąheather, ling
8Proto-Indo-Europeanlengʷʰom
9Proto-Indo-Europeanlengʷʰ-light, agile, nimble; light, not heavy, agile,...
Every word from Proto-Indo-European -yós