Where does “unrelentless” come from?

unrelentless (English) comes from English relentless, from English relent, from Middle English relenten, from Anglo-Norman relentir, from Latin rĕ-, from Latin prōdūcō, from Latin prō-, from Proto-Italic *pro- — passed , crossed.

unrelentless (English): Without respite or let up; unrelenting; relentless

Definitions

  1. Without respite or let up; unrelenting; relentless

Ancestry of “unrelentless”, step by step

unrelentless traces back through two separate lines of ancestry.

via English relentless

StepLanguageWordMeaning
1EnglishrelentlessUnrelenting or unyielding in severity;...
2EnglishrelentStay; stop; delay; A relenting; To become less...
3Middle EnglishrelentenTo become more fluidous or dissolved; to melt; To...
4Anglo-Normanrelentirto relent
5Latinrĕ-back, backwards
6Latinprōdūcōto lead or bring forth, forward or out
7Latinprō-forward direction, forward movement
8Proto-Italic*pro-pro- see the Latin entry for further meanings
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

via English unrelenting

StepLanguageWordMeaning
1EnglishunrelentingNot relenting; not yielding in strength,...
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

Words derived from “unrelentless

Every word from Proto-Indo-European pr̥tós