After the words gopavana etc. there is not luk elision of the gotra affix, when the word takes the plural.,
This prevents the application of 2.4.64. Thus गोपवन + अञ् = गौपवनः; plural गौपवनाः; singular शैग्रवः, plural शैग्रवाः. The गोपवन &c., belong to Vidadi class, vide 4.1.104, and are the following:- गोपवन, शिग्रु, बिन्दु, भजन्, अश्व, अवतान, श्यामक and श्वापर्ण. The remaining words such as हरित &c., should not be taken in this sub-class. In the case of हरित &c., the Gotra affix must be elided in the plural by Rule 2.4.64. Thus हरिताः किंदासाः &c.,