Where does “truthfully” come from?

Truthfully derives from English truthful, itself from English truth plus the Middle English suffix -ful, ultimately from Proto-Indo-European pleh₁- meaning to fill.

truthfully (English): In a truthful manner; Frankly

Definitions

  1. In a truthful manner; Frankly

Ancestry of “truthfully”, step by step

StepLanguageWordMeaning
1EnglishtruthfulHonest, and always telling the truth; Accurately...
2EnglishtruthTrue facts, genuine depiction or statements of...
3Middle Englishtroutetrout certain fish of the genus
4Old Englishtruhttrout
5Old Frenchtruite
6Latintructaa kind of trout
7Ancient Greekτρώκτηςgnawer, nibbler; greedy knave; kind of fish with...
8Ancient Greek-τήςAppended to verbs to form agent nouns
9Ancient Greekπεῖραtrial, experiment, attempt
10Proto-Indo-Europeanper-before, in front; first; to go through
11Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tós