mukhyebhyah
ṛṣi-mukhyebhyaḥ — unto the foremost sages;
SB 3.24.15
mukhyebhyaḥ — excellent;
SB 10.69.28
bhṛgu-mukhyebhyaḥ — headed by Bhṛgu;
SB 11.27.3-4