Where does “Dufour” come from?

Dufour comes from French four, meaning oven, from Old French forn, from Latin furnus, from Greek φούρνος, ultimately from Proto-Indo-European gʷʰer-, meaning to warm or heat.

Ancestry of “Dufour”, step by step

StepLanguageWordMeaning
1FrenchDufour
2Frenchwhat is owed, money's worth; past participle of...
3Old FrenchdeüAlternative form of deu
4Latindēbēre
5Latinof; concerning; about
6Latinpostbehind; after, since, besides, except; behind,...
7Latinposteablative singular of postis
8Proto-Italicpostibehind, after
9Proto-Indo-Europeanpóstiafter
10Proto-Indo-Europeanpósafterwards, post; by, at
Every word from Proto-Indo-European pós