rksam
ṛkṣam — to the mountain named Ṛkṣa; SB 4.1.17
ajana janma-ṛkṣam — the constellation of stars known as Rohiṇī; SB summary
janma-ṛkṣam — the auspicious star of Your birth; SB 10.11.18
ṛkṣam — the lunar asterism (the measurement that fixes the exact auspicious time); SB 10.53.4