Where does “portentously” come from?

Portentously derives from Middle English -ly adverbial suffix added to portentous, from Latin portentus, past participle of portendo meaning to foretell, from per- and related Proto-Indo-European roots.

portentously (English): In an ominous manner; In a pompous manner

Definitions

  1. In an ominous manner; In a pompous manner

Ancestry of “portentously”, step by step

StepLanguageWordMeaning
1EnglishportentousOf momentous or ominous significance; Ominously...
2Latinportentōsus
3Latinportentusindicated, pointed out; predicted, foretold
4LatinportendoI indicate, point out; I predict, foretell,...
5Latinpor-forth, forward, further, onward
6Proto-Italicpor-forth, forward
7Proto-Indo-Europeanper-before, in front; first; to go through
8Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Latin por-