Where does “confidentially” come from?

Confidentially derives from English confidential, from Latin confidentia meaning trust or confidence, from Latin confido meaning to trust, composed of Latin con- and a root from Proto-Indo-European bʰidʰ- meaning to trust or persuade.

confidentially (English): In a confidential manner; Spoken of in a private...

Definitions

  1. In a confidential manner; Spoken of in a private...

Ancestry of “confidentially”, step by step

StepLanguageWordMeaning
1EnglishconfidentialKept, or meant to be kept, secret within a...
2Frenchconfidentielconfidential
3Frenchconfidentconfidant
4Italianconfidenteconfiding, trusting; confidant or confidante
5Latincōnfīdēnsconfiding (in)
6Latincōnfīdō(+ Dative of the person and e + ablative of the thing or in/de + ablative) to be confident or assured of, confide in, believe, trust, place or put confidence in; rely upon
7Latincōn-Used in compounds to indicate a being or bringing together of several objects
8Latincumwith, along with; at; -fold
9Old LatincomAlternative form of cum
10Proto-Italickomwith, along, at
11Proto-Indo-Europeanḱómbeside, near, by, with
12Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
13Middle Englishkyt
14Germankittputty certain kinds of cement used for fixing e.g. window panes
15Old High Germankuti
16Proto-West Germanickwidugum, resin
17Proto-Germanickweduzresin
18Proto-Indo-Europeangʷet-resin, gum; to say, speak
19Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...
Every word from Proto-Indo-European gū-