Where does “unbackable” come from?

unbackable (English) comes from English backable, from English back, from French bac, from French baccalauréat, from Medieval Latin baccalaureatus, from Latin baccalaureus, from Latin laurea, from Latin laurus — Forms comparative adjectives.

unbackable (English): That cannot or should not be backed, or supported...

Definitions

  1. That cannot or should not be backed, or supported...

Ancestry of “unbackable”, step by step

unbackable traces back through two separate lines of ancestry.

via English backable

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

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Italic -jōsEvery word from Latin -iumEvery word from Latin -ius
unbackable — Etymology, Origin & Word History | Etymology Explorer