tam - Him, Lord Balarāma; dṛṣṭvā - seeing; sahasā - immediately; utthāya - rising; maithilaḥ - the King of Mithilā; prīta-mānasaḥ - feeling affection; arhayām āsa - he honored Him; vidhi-vat - in accordance with scriptural injunctions; arhaṇīyam - worshipable; samarhaṇaiḥ - with elaborate paraphernalia of worship.

The King of Mithilā immediately rose from his seat when he saw Lord Balarāma approaching. With great love the King honored the supremely worshipable Lord by offering Him elaborate worship, as stipulated by scriptural injunctions.