tasya - of Lord Śiva; api - also; darśayām āsa - exhibited; sva-vīryam - its own potency; jala-kalmaṣaḥ - that poison born of the water; yat - which; cakāra - made; gale - on the neck; nīlam - bluish line; tat - that; ca - also; sādhoḥ - of the saintly person; vibhūṣaṇam - ornament.

As if in defamation, the poison born from the Ocean of Milk manifested its potency by marking Lord Śiva’s neck with a bluish line. That line, however, is now accepted as an ornament of the Lord.