Where does “Montreuil” come from?

Montreuil (French) comes from Old French mont, from Latin montem, from Latin mons, from Proto-Indo-European monti, from Portuguese Monte, from Old Portuguese monte.

Ancestry of “Montreuil”, step by step

Montreuil traces back through two separate lines of ancestry.

via Old French mont

StepLanguageWordMeaning
1Old Frenchmontmountain; Alternative form of monde
2Latinmontemaccusative singular of mōns; mountain
3Latinmonsmountain, mount; towering mass, heap, great...
4Proto-Indo-Europeanmonti
5PortugueseMontemount; a mountain or large hill
6Old Portuguesemonte

via Medieval Latin monastēriolum

StepLanguageWordMeaning
1Medieval Latinmonastēriolum
2Latin-olusAlternative form of -ulus; "forming diminutives";...
3Latin-lusAlternative form of -ulus; diminutive suffix
4Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
5Proto-Indo-European-e-lós
6Proto-Indo-European-lósForms agent nouns from verbal roots
Every word from Old Portuguese monte