Where does “counterscreen” come from?

counterscreen (English) comes from English counter, from Middle English countour, from Middle French contoir, from Middle French compter, from Old French compter, from Latin computāre, from Latin computō, from Latin com- — to bend; curve; arch; vault; to bow, bend, arch,...

counterscreen (English): A screen (or screening), carried out in parallel to a primary screen, in which compounds that could interfere with the primary screen may be identified

Definitions

  1. A screen (or screening), carried out in parallel to a primary screen, in which compounds that could interfere with the primary screen may be identified

Ancestry of “counterscreen”, step by step

counterscreen traces back through two separate lines of ancestry.

via English counter

StepLanguageWordMeaning
1EnglishcounterOne who counts; A reckoner; someone who collects...
2Middle EnglishcountourAn accountant; a financial recordkeeper
3Middle FrenchcontoirAlternative spelling of comptoir
4Middle Frenchcompterto recount; to tell
5Old Frenchcompter
6Latincomputāre
7Latincomputōto calculate, compute, reckon together
8Latincom-allomorph of con-
9Latincon-Used in compounds to indicate a being or bringing...
10Latincumwith, along with; at; -fold
11Old LatincomAlternative form of cum
12Proto-Italickomwith, along, at
13Proto-Indo-Europeanḱómbeside, near, by, with
14Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
15Middle Englishkyt
16Germankittputty certain kinds of cement used for fixing e.g. window panes
17Old High Germankuti
18Proto-West Germanickwidugum, resin
19Proto-Germanickweduzresin
20Proto-Indo-Europeangʷet-resin, gum; to say, speak
21Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

via English screen

StepLanguageWordMeaning
1EnglishscreenA physical divider intended to block an area from...
2Middle Englishscren
3Anglo-Normanescrenfirescreen, the tester of a bed; Alternative form...
4Old FrenchescrenAlternative form of escran
5Middle Dutchschermprotective screen; protection, cover
6Old Dutchskirmprotection
7Proto-West Germanicskirmifur, hide, pelt; covering, shelter, screen
8Proto-Germanicskirmizfur, hide, pelt; covering, shelter, screen
9Proto-Indo-Europeansḱer-to caw, crow
Every word from Proto-Indo-European gū-Every word from Proto-Indo-European gʷet-Every word from Proto-Germanic kweduz