who roused Kāliya to wrath
Who provoked Kāliya's wrath — Kṛṣṇa deliberately jumps into the serpent's pool and teases him out to battle; without provocation Kāliya would not have come up to be defeated.
कालियक्रोधजनकः वृद्धाहिकुलवेष्टितः ।कालियाहिफणारङ्गनटः कालियमर्दनः॥
kāliyakrodhajanakaḥ vṛddhāhikulaveṣṭitaḥ ·kāliyāhiphaṇāraṅganaṭaḥ kāliyamardanaḥ
who roused Kāliya to wrath
Who provoked Kāliya's wrath — Kṛṣṇa deliberately jumps into the serpent's pool and teases him out to battle; without provocation Kāliya would not have come up to be defeated.
engirdled by the brood of the ancient serpent
Surrounded by the old serpent's family — Kāliya's wives, children, and elder snake-relations watch the battle from the riverbank in terror, then come to plead for his life.
who danced upon the stage of Kāliya's hoods
Dancer on the stage of Kāliya's hoods — the celebrated image of Kṛṣṇa dancing on the hundred-and-one hoods of the multi-headed serpent; the dance is described as both terrible and beautiful.
the crusher of Kāliya
Trampler of Kāliya — the dance becomes a crushing; one by one Kāliya's hoods are flattened by the divine feet; the serpent vomits blood and poison.