Step 1: Understanding Sandhi.
Sandhi refers to the phonetic change that occurs when two sounds combine at word boundaries.
Step 2: Word analysis.
The word "Gavishah" is formed from "Go" + "Ishah".
When the vowel 'o' of "Go" combines with 'i' of "Ishah", it transforms according to Guna Sandhi rules.
Step 3: Rule of Guna Sandhi.
- o + i = avi
Thus, "Go + Ishah" → "Gavishah".
Step 4: Eliminating wrong options.
- Vriddhi Sandhih: Would create stronger vowels, not applicable here.
- Deerghasandhih: Would lengthen vowels, not occurring here.
- Ayadisandhih: Involves 'a' and 'y', not relevant here.
Step 5: Conclusion.
Thus, the Sandhi used in "Gavishah" is Gunasandhih.