The Locative -7th case ending is not preserved before stha in the spoken language.,
Thus विषमस्थः, कूटस्थः, पर्वतस्थः ॥ But आखरेष्ठः, in the Veda, as in कुष्णोस्याखरेष्ठः ॥ स is changed to ष by 8.3.106.,
स्थे च भाषायाम्
Adhyāya 6 · Pāda 3 · Rule 20
Adhyāya 6 · Pāda 3 · Rule 20
The Locative -7th case ending is not preserved before stha in the spoken language.,
Thus विषमस्थः, कूटस्थः, पर्वतस्थः ॥ But आखरेष्ठः, in the Veda, as in कुष्णोस्याखरेष्ठः ॥ स is changed to ष by 8.3.106.,