Where does “conscience-proof” come from?

conscience-proof (English) comes from English conscience, from Middle English conscience, from Old French conscience, from Latin cōnscientia, from Latin conscire, from Latin com-, from Latin con-, from Latin cum — to bend; curve; arch; vault; to bow, bend, arch,...

conscience-proof (English): Without any qualms of conscience; not feeling guilty for one's misdeeds

Definitions

  1. Without any qualms of conscience; not feeling guilty for one's misdeeds

Ancestry of “conscience-proof”, step by step

conscience-proof traces back through two separate lines of ancestry.

via English conscience

StepLanguageWordMeaning
1EnglishconscienceThe moral sense of right and wrong, chiefly as it...
2Middle Englishconscienceconscience
3Old Frenchconscienceconscience
4Latincōnscientiaknowledge shared with others, being in the know or privy to, joint knowledge; complicity
5Latinconscirepresent active infinitive of cōnsciō; to know, to...
6Latincom-allomorph of con-
7Latincon-Used in compounds to indicate a being or bringing...
8Latincumwith, along with; at; -fold
9Old LatincomAlternative form of cum
10Proto-Italickomwith, along, at
11Proto-Indo-Europeanḱómbeside, near, by, with
12Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
13Middle Englishkyt
14Germankittputty certain kinds of cement used for fixing e.g. window panes
15Old High Germankuti
16Proto-West Germanickwidugum, resin
17Proto-Germanickweduzresin
18Proto-Indo-Europeangʷet-resin, gum; to say, speak
19Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

via English proof

StepLanguageWordMeaning
1EnglishproofAn effort, process, or operation designed to...
2Middle Englishproof
3Old Frenchprove
4Latinprobatest, trial; proof, evidence
5Latinprobāre
6Latinprobōto approve, permit, commend
7LatinProbusgood, serviceable, excellent, superior, able
8Proto-Indo-Europeanpro-bhwo-being in front, prominent
9Proto-Indo-Europeanpro-toward, forward
10Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
11Proto-Indo-Europeanper-before, in front; first; to go through
12Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European gū-