Caitanya-caritāmṛta 6.10
sūkṣma tulā āni’ nāsā-agrete dharila īṣat calaye tulā dekhi’ dhairya haila
[sookshma tulaa aani’ naasaa-agrete dharila eeshat chalaye tulaa dekhi’ dhairya haila]
Blended reading (Sanskrit + English inline)
sūkṣma tulā āni’ nāsā-agrete dharila īṣat calaye tulā dekhi’ dhairya haila
The Bhaṭṭācārya then took a fine cotton swab and put it before the Lord’s nostrils. When he saw the cotton move very slightly, he became hopeful.
My note
Source: vedabase.io