According to a Torajan legend, the Toraja people arrived "from the north by boats, but caught in a fierce storm, their boats were so badly damaged that they used them as roofs for their new houses"
Yes, saddle is probably the shape they evoke to Indo-European eyes, but to name it 'saddle-shaped' would superimpose the continental practice of saddling and horse riding on the Indonesian archipelagic culture of the Torajans