Where does “backspike” come from?

backspike (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.

backspike (English): A spike protruding from the back of an axe

Definitions

  1. A spike protruding from the back of an axe

Ancestry of “backspike”, step by step

backspike 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 Spike

StepLanguageWordMeaning
1EnglishSpikeA sort of very large nail
2Middle Dutchspīker
3Old Dutchspīkāri
4Proto-West Germanicspīkārīgranary
5Latinspicariumgranary
6Latin-āriumused primarily to form nouns of purpose from other nouns, such as places where things are kept or objects used for a particular end
7Latin-umnominative neuter singular of -us; accusative...
8Proto-Italic*-om
9Proto-Indo-European*-oHom
Every word from Proto-Indo-European -yós