Where does “besi beton” come from?

besi beton (Indonesian) comes from Indonesian beton, from Dutch beton, from Dutch vloer, from Middle Dutch vloer, from Old Dutch fluor, from Proto-Germanic flōraz, from Proto-Indo-European pleh₂ros, from Proto-Indo-European pleh₂- — flat.

Ancestry of “besi beton”, step by step

besi beton traces back through two separate lines of ancestry.

via Indonesian beton

StepLanguageWordMeaning
1Indonesianbetonconcrete
2Dutchbetonconcrete
3DutchvloerA floor; Any ground, surface; The bottom, lowest...
4Middle Dutchvloerground; floor; floor, storey
5Old Dutchfluor
6Proto-Germanicflōrazground; floor
7Proto-Indo-Europeanpleh₂rosflat; floor
8Proto-Indo-Europeanpleh₂-flat

via Indonesian besi

StepLanguageWordMeaning
1Indonesianbesiiron
2Malaybesiiron
3Proto-Malayicbəsi
4Proto-Malayo-Chamicbəsiiron
Every word from Proto-Indo-European pleh₂-