Where does “confessional” come from?

Confessional derives from English confession, which blends English aldehyde from German Aldehyd, tracing back through Latin -alis, -tio, con-, cum, and com.

confessional (English): In the manner or style of a confession;...

Definitions

  1. In the manner or style of a confession;...

Ancestry of “confessional”, step by step

confessional traces back through two separate lines of ancestry.

via English confession

StepLanguageWordMeaning
1EnglishconfessionThe open admittance of having done something; A...
2Middle Englishconfessiounconfession
3Old Frenchconfessionconfession (the disclosure of one's sins to a clergyman for absolution)
4Latinconfessioa confession, acknowledgment; creed or avowal of...
5Latincōnfiteorto confess, admit
6Latincōn-Used in compounds to indicate a being or bringing together of several objects
7Latincumwith, along with; at; -fold
8Old LatincomAlternative form of cum
9Proto-Italickomwith, along, at
10Proto-Indo-Europeanḱómbeside, near, by, with
11Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
12Middle Englishkyt
13Germankittputty certain kinds of cement used for fixing e.g. window panes
14Old High Germankuti
15Proto-West Germanickwidugum, resin
16Proto-Germanickweduzresin
17Proto-Indo-Europeangʷet-resin, gum; to say, speak
18Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

via French confessionnal

StepLanguageWordMeaning
1Frenchconfessionnalconfessional, confession booth
2French-álal; appended to various words, often nouns, to make an adjective form; often added to words of Latin origin, but used with other words also
3Middle French-al

Words derived from “confessional

Every word from Proto-Indo-European gū-
confessional — Etymology, Origin & Word History | Etymology Explorer