Where does “comprarne” come from?

comprarne (Italian) comes from Italian comprare, from Vulgar Latin comperare, from Latin comparō, from Latin compar, from Latin com-, from Latin con-, from Latin cum, from Old Latin com — to bend; curve; arch; vault; to bow, bend, arch,...

Ancestry of “comprarne”, step by step

StepLanguageWordMeaning
1Italiancomprareto buy
2Vulgar Latincomperare
3Latincomparōto prepare, get ready, provide, furnish
4Latincomparequal; similar, comparable; fellow, partner,...
5Latincom-allomorph of con-
6Latincon-Used in compounds to indicate a being or bringing...
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,...
Every word from Proto-Indo-European gū-