ostha
adhara-oṣṭha — of His lips;
SB 3.28.33
su-daṣṭa-oṣṭha-puṭaḥ — pressing his lips with his teeth;
SB 4.5.2
aruṇa-oṣṭha — lips pinkish like the rising sun;
SB 4.8.46