Name #160 of 1000 · Viṣṇu Sahasranāma
धृतात्माdhṛtātmā
Dhritatma
Self-sustained, established in himself
From shloka 17 · chapter Kūrma
उपेन्द्रो वामनः प्रांशुरमोघः शुचिरूर्जितः ।
अतीन्द्रः सङ्ग्रहः सर्गो धृतात्मा नियमो यमः ॥
upendro vāmanaḥ prāṃśuramoghaḥ śucirūrjitaḥ
atīndraḥ saṅgrahaḥ sargo dhṛtātmā niyamo yamaḥ
Also in this shloka: upendraḥ · vāmanaḥ · prāṃśuḥ · amoghaḥ · śuciḥ · ūrjitaḥ · atīndraḥ · saṅgrahaḥ · sargaḥ · niyamaḥ · yamaḥ