Where does “direful” come from?

Direful comes from English dire and Old English -ful, itself from Proto-Indo-European dwey- and Proto-Germanic fullaz, ultimately from Proto-Indo-European pleh₁-.

direful (English): Fearful, terrible

Definitions

  1. Fearful, terrible

Ancestry of “direful”, step by step

direful traces back through two separate lines of ancestry.

via English dire

StepLanguageWordMeaning
1EnglishdireWarning of bad consequences: ill-boding;...
2Latindirusfearful; ominous; dreadful, detestable
3Proto-Italicdeiros—
4Proto-Indo-Europeandwey-to fear

via English ful

StepLanguageWordMeaning
1Englishful—

Words derived from “direful”

Every word from Proto-Indo-European dwey- →Every word from Proto-Italic deiros →Every word from Latin dirus →