Where does “قنطرة” come from?

قنطرة (Andalusian Arabic) comes from Arabic قَنْطَرَة, from Ancient Greek κέντρον, from Proto-Hellenic *kéntron, from Proto-Indo-European *ḱéntrom — pointed tool.

Ancestry of “قنطرة”, step by step

StepLanguageWordMeaning
1Arabicقَنْطَرَة{{l|en|arch}}; {{l|en|vault}}; bridge; arch
2Ancient GreekκέντρονSomething with a sharp point: point, spike, spur;...
3Proto-Hellenic*kéntron—
4Proto-Indo-European*ḱéntrompointed tool
Every word from Proto-Indo-European *ḱéntrom →Every word from Proto-Hellenic *kéntron →Every word from Ancient Greek κέντρον →