大毘盧遮那經廣大儀軌 1.60

1.60

次上觀㘕字，三角生猛焰，
猶如劫災火，故名大火輪。

Next, contemplate above the syllable RAṂ,
A triangle producing fierce flames,
Like the disaster fire at the end of a kalpa;
Therefore it is called the great tejomaṇḍala.