Where does “undeviatingly” come from?

undeviatingly (English) comes from English undeviating, from English Un-, from English still, from Old English stillan, from Proto-West Germanic stillijan, from Proto-West Germanic -jan, from Proto-Germanic -janą, from Proto-Indo-European -yéti — he, she.

undeviatingly (English): Without deviation; directly, unerringly

Definitions

  1. Without deviation; directly, unerringly

Ancestry of “undeviatingly”, step by step

undeviatingly traces back through two separate lines of ancestry.

via English undeviating

StepLanguageWordMeaning
1EnglishundeviatingThat does not deviate, veer or turn aside;...
2EnglishUn-not
3EnglishstillNot moving; calm; Not effervescing; not...
4Old Englishstillanbecome calm, abate, subside; calm, pacify,...
5Proto-West Germanicstillijanto make still, quiet
6Proto-West Germanic-janCreates denominative verbs from nouns; Creates...
7Proto-Germanic-janąDerives denominatives from nouns and factitives...
8Proto-Indo-European-yétiCreates intransitive, often deponent,...
9Proto-Indo-Europeanyé-
10Chichewaiyehe, she

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Chichewa iye
undeviatingly — Etymology, Origin & Word History | Etymology Explorer