Name #3 of 1000 · Viṣṇu Sahasranāma
वषट्कारःvaṣaṭkāraḥ
Vashatkara
The sacred call of the sacrifice, invoked in every offering
From shloka 1 · chapter Matsya
ॐ विश्वं विष्णुर्वषट्कारो भूतभव्यभवत्प्रभुः ।
भूतकृद्भूतभृद्भावो भूतात्मा भूतभावनः ॥
oṃ viśvaṃ viṣṇurvaṣaṭkāro bhūtabhavyabhavatprabhuḥ
bhūtakṛdbhūtabhṛdbhāvo bhūtātmā bhūtabhāvanaḥ
Also in this shloka: viśvam · viṣṇuḥ · bhūtabhavyabhavatprabhuḥ · bhūtakṛt · bhūtabhṛt · bhāvaḥ · bhūtātmā · bhūtabhāvanaḥ