Where does “can” come from?

Can comes from Middle English connen, from Old French cane, from Latin canna, from Ancient Greek κάννα, ultimately from Proto-Indo-European ǵen-.

can (English): To know how to; to be able to; May; to be...

Definitions

  1. To know how to; to be able to; May; to be...

Ancestry of “can”, step by step

can traces back through two separate lines of ancestry.

via Spanish can

StepLanguageWordMeaning
1Spanishcandog, hound
2LatinCanisa dog, a hound animal
3Ancient Greekδρόμοςrace, running; racetrack; course, path
4Ancient Greek-όςForms agentive or patientive adjectives and nouns from the o-grade of a verbal root
5Proto-Hellenic*-os
6Proto-Indo-European-ósCreates agent nouns from verb stems, denoting...

via Middle English cunnen

StepLanguageWordMeaning
1Middle EnglishcunnenTo know about; To be able to; to have the...
2Old Englishcunnanto know, to be familiar with; can, to know how
3Proto-West Germanickunnanto recognise; to know how, to be able
4Proto-Germanickunnanąto know, to be familiar with, to recognise; to...
5Proto-Indo-Europeanǵneh₃-to know

Words derived from “can

Every word from Proto-Indo-European -ós