Where does “backfriend” come from?

backfriend (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.

backfriend (English): A false friend; a secret enemy; A friend at one's...

Definitions

  1. A false friend; a secret enemy; A friend at one's...

Ancestry of “backfriend”, step by step

backfriend 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 Friend

StepLanguageWordMeaning
1EnglishFriendA Quaker; a member of the Society of Friends;...
2Middle EnglishfrendA friend or compatriot; a close associate; A...
3Old Englishfrēondfriend, friendly; friend, relative, lover
4Proto-Germanicfrijōndzfriend, loved one
5Proto-Indo-Europeanprēy-to like, love; like, love
Every word from Proto-Indo-European -yósEvery word from Latin -iumEvery word from Latin -ius
backfriend — Etymology, Origin & Word History | Etymology Explorer