Where does “backflush” come from?

backflush (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.

backflush (English): A temporary reversal of the flow of fluid,...

Definitions

  1. A temporary reversal of the flow of fluid,...

Ancestry of “backflush”, step by step

backflush 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 flush

StepLanguageWordMeaning
1EnglishflushA group of birds that have suddenly started up...
2Middle EnglishflaskeAlternative form of flask; case, cask, keg
3Old Englishflasceflask, bottle
4Proto-West Germanicflaskābottle, flask
5Proto-Germanicflaskǭa plaiting-covered vessel; bottle, flask
6Proto-Germanicflehtanąto plait, to weave
7Proto-Indo-Europeanpleḱ-to fold, plait, weave
8Proto-Indo-Europeanpel-to cover, to wrap; skin, hide, cloth; to fold
Every word from Proto-Indo-European -yós