ब्राह्मणकोष्णिके संज्ञायाम्

Operational rule vidhi

The words ब्राह्मण and उष्णिक are anomalous when they are a Name.

Word by word (padaccheda)

Substitute / term ब्राह्मणक- उष्णिके prathamā · dvivacanaRight context संज्ञायाम् saptamī · ekavacana

Substitute / term Prathamā (1st case): in operational rules, the substitute or the thing introduced; in definitions, the term or its referent.
Right context Saptamī (7th case): "when X follows", the operation applies to what precedes (1.1.66 तस्मिन्निति निर्दिष्टे पूर्वस्य). Also a condition or domain ("in the sense of").

Dotted words are technical terms. Hover or tap one to see its card.

Full reading

ब्राह्मणक-उष्णिके संज्ञायाम्

Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.

Commentary

The words ब्राह्मण and उष्णिक are anomalous when they are a Name.
Thus ब्राह्मणको देशः, उष्णिका यवागूः ॥ The affix कन् is added to ब्राह्मण, with the force of 'a place where Brahmanas who live by profession of arms dwell'. Similarly उष्णिक means अल्पान्नाः ॥

Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.