so 'śvaṁ rūpaṁ ca tad dhitvā
tasmā antarhitaḥ svarāṭ
vīraḥ sva-paśum ādāya
pitur yajñam upeyivān
saḥ - King Indra; aśvam - the horse; rūpam - the false dress of a saintly person; ca - also; tat - that; hitvā - giving up; tasmai - for him; antarhitaḥ - disappeared; sva-rāṭ - Indra; vīraḥ - the great hero; sva-paśum - his animal; ādāya - having taken; pituḥ - of his father; yajñam - to the sacrifice; upeyivān - he came back.