Where does “corroborate” come from?

corroborate (Italian) comes from Italian corroborare, from Latin corrōborō, from Latin cōn-, from Latin cum, from Old Latin com, from Proto-Italic kom, from Proto-Indo-European ḱóm, from Proto-Indo-European ḱe — to bend; curve; arch; vault; to bow, bend, arch,...

corroborate (Italian): second-person plural present indicative of...

Definitions

  1. second-person plural present indicative of...

Ancestry of “corroborate”, step by step

corroborate traces back through two separate lines of ancestry.

via Italian corroborare

StepLanguageWordMeaning
1ItaliancorroborareTo strengthen, to fortify; To corroborate, to...
2Latincorrōborōto make strong, strengthen, invigorate, corroborate, reinforce, fortify
3Latincōn-Used in compounds to indicate a being or bringing together of several objects
4Latincumwith, along with; at; -fold
5Old LatincomAlternative form of cum
6Proto-Italickomwith, along, at
7Proto-Indo-Europeanḱómbeside, near, by, with
8Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
9Middle Englishkyt
10Germankittputty certain kinds of cement used for fixing e.g. window panes
11Old High Germankuti
12Proto-West Germanickwidugum, resin
13Proto-Germanickweduzresin
14Proto-Indo-Europeangʷet-resin, gum; to say, speak
15Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

via Italian corroborato

StepLanguageWordMeaning
1Italiancorroboratopast participle of corroborare
Every word from Proto-Indo-European gū-Every word from Latin cōn-Every word from Proto-Indo-European gʷet-