Bhakti-rasāmṛta-sindhu .3.50
dayotsāha-ratis tv atra sthāyi-bhāva udīryate |
[dayotsaaha-ratis tv atra sthaayi-bhaava udeeryate |]
dayodreka-bhṛd utsāho dayotsāha ihoditaḥ ||50||
[dayodreka-bhrid utsaaho dayotsaaha ihoditah ||50||]
Blended reading (Sanskrit + English inline)
dayotsāha-ratis tv atra sthāyi-bhāva udīryate |
dayodreka-bhṛd utsāho dayotsāha ihoditaḥ ||50||
The sthāyi-bhāva is dayotsāha-rati. Resoluteness endowed with strong compassion is called dayotsāha (resoluteness in compassion).
My note
Source: vedabase.io