संस्‍कृतशब्‍दकोशः

Monier–Williams

उषस्य — {uṣasyá} mfn. sacred to the dawn (Pāṇ. 4-2, 31) VS. xxiv, 4 ĀśvŚr

उषस्य — {uṣasya} Nom. (fr. {uṣas} g. {kaṇḍv-ādi} Pāṇ. 3-1, 27 {not in Kāś.}) P. {uṣasyati}, to grow light, dawn