Where does “credibly” come from?

Credibly derives from Middle English -ly added to Old English -līċ, from Latin credibilis, formed with the suffix -ibilis from the root dʰeh₁- meaning to place or put.

credibly (English): In a credible manner; believably; Used to report...

Definitions

  1. In a credible manner; believably; Used to report...

Ancestry of “credibly”, step by step

StepLanguageWordMeaning
1EnglishcredibleBelievable or plausible; Authentic or convincing
2Middle Englishcrediblecredible believable, plausible
3Old Frenchcredible
4Latincrēdibiliscredible, worthy of belief, believable
5Latincrēdōto believe, to trust in, to give credence to
6Proto-Italickrezdōto believe
7Proto-Indo-Europeanḱréddʰh₁etito believe, trust
8Proto-Indo-European-dʰh₁etiForms resultative verbs
9Proto-Indo-Europeandʰeh₁-to do, put, place
Every word from Proto-Indo-European dʰeh₁-Every word from Proto-Indo-European -dʰh₁etiEvery word from Proto-Indo-European ḱréddʰh₁eti