Where does “unfilled” come from?

Unfilled comes from English fill, derived from Latin unus meaning "one," which traces to Proto-Indo-European óynos and the root ano-, ultimately from the Proto-Indo-European root pleh₁-.

unfilled (English): Not filled, especially occupational positions;...

Definitions

  1. Not filled, especially occupational positions;...

Ancestry of “unfilled”, step by step

unfilled traces back through two separate lines of ancestry.

via English unfill

StepLanguageWordMeaning
1EnglishunfillTo empty
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 filled

StepLanguageWordMeaning
1EnglishfilledThat is now full; simple past tense and past...

Words derived from “unfilled

Every word from Chichewa iyeEvery word from Proto-Germanic -janąEvery word from English Un-