Where does “compunctionless” come from?

compunctionless (English) comes from English compunction, from Middle English compunccion, from Old French compunction, from Late Latin compunctionem, from Latin compunctus, from Latin compungere, from Latin com-, from Latin con- — resin.

compunctionless (English): Without compunction

Definitions

  1. Without compunction

Ancestry of “compunctionless”, step by step

compunctionless traces back through two separate lines of ancestry.

via English compunction

StepLanguageWordMeaning
1EnglishcompunctionA pricking of conscience or a feeling of regret,...
2Middle Englishcompunccion
3Old Frenchcompunction
4Late Latincompunctionema pricking; accusative singular of compūnctiō
5Latincompunctuspricked, punctured; goaded, stimulated; tattooed
6Latincompungeresecond-person singular future passive indicative...
7Latincom-allomorph of con-
8Latincon-Used in compounds to indicate a being or bringing...
9Latincumwith, along with; at; -fold
10Old LatincomAlternative form of cum
11Proto-Italickomwith, along, at
12Proto-Indo-Europeanḱómbeside, near, by, with
13Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
14Middle Englishkyt
15Germankittputty certain kinds of cement used for fixing e.g. window panes
16Old High Germankuti
17Proto-West Germanickwidugum, resin
18Proto-Germanickweduzresin

via English less

StepLanguageWordMeaning
1EnglishlessTo a smaller extent or degree; comparative form...
2Middle Englishlesfalse; lying; deceptive; falsehood; a lie
3Old Englishlēasfalse, lax; false, void, loose; devoid of, loose...
4Proto-Germanic*laus
Every word from Proto-Germanic kweduzEvery word from Proto-West Germanic kwiduEvery word from Old High German kuti