Where does “backache” come from?

Backache comes from English back and the suffix -ache, with back deriving from Old English bæc, related to French bac and ultimately from Proto-Indo-European roots meaning to go or move.

backache (English): Any pain or ache in the back

Definitions

  1. Any pain or ache in the back

Ancestry of “backache”, step by step

backache 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 ache

StepLanguageWordMeaning
1EnglishacheTo suffer pain; to be the source of, or be in,...
2Middle EnglishacheAching; long-lasting hurting or injury; A plant...
3Old Frenchache
4Latinapiumparsley; celery; genitive plural of apis
5LatinApisA seaport town of Egypt situated at the borders with Marmarica
6Ancient GreekἌπις
7Copticϩⲁⲡⲉthe Apis bull, a bull worshipped as a herald of the gods (first Ptah, then Osiris, then Atum)
8Egyptianḥpthe god Apis

Words derived from “backache

Every word from Proto-Indo-European -yós