avy-avika-nyāya m. (only instr. °ena) after the fashion of avi and avika (i.e. though avi and avika both mean ‘a goat’, a derivation in the sense of ‘goat's flesh’ can be formed only from avika [āvikam], not from avi [aver māṃsam]), Pat.
Böhtlingk and Roth Grosses Petersburger Wörterbuch
avyavikanyāya m. die Weise vonaviundavika, die darin besteht, dass in der Umschreibung avermāṃsam, in der Derivation aber āvikam (von avika und nicht von avi) gesagt wird, PAT. a. a. O. 4,40,a. 84,a. st. dessen aviravikanyāya 42,a. 67,a.5,4,a.6,76,a.