Where does “undetectably” come from?

undetectably (English) comes from English undetectable, from English detectable, from English detect, from Latin detectus, from Latin dē-, from Latin dē, from Latin post, from Latin poste — afterwards, post; by, at.

undetectably (English): In an undetectable way

Definitions

  1. In an undetectable way

Ancestry of “undetectably”, step by step

undetectably traces back through two separate lines of ancestry.

via English undetectable

StepLanguageWordMeaning
1EnglishundetectableUnable to be detected; not detectable
2EnglishdetectableThat which can be detected, noticeable
3Englishdetectto discover or find by careful search,...
4Latindetectusuncovered, revealed, disclosed
5Latindē-of; from
6Latinof; concerning; about
7Latinpostbehind; after, since, besides, except; behind,...
8Latinposteablative singular of postis
9Proto-Italicpostibehind, after
10Proto-Indo-Europeanpóstiafter
11Proto-Indo-Europeanpósafterwards, post; by, at

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European pósEvery word from Latin dē-Every word from Proto-Indo-European pósti
undetectably — Etymology, Origin & Word History | Etymology Explorer