Latin bitumen

← Welsh bedw (cognate)

← English cud (cognate)

← Spanish biezo (cognate)

← Scottish Gaelic bìth (cognate)

← Proto-Indo-European *gʷétu (derived)

← Latin -men (affix)

← Latin ferrūmen (mention)

← Sanskrit जतु (cognate)

← Old Irish beithe (cognate)

→ French béton (borrowed)

→ Romanian bitumen (derived)

→ Sanskrit जतु (cognate)