a passage of the Brāhmaṇas which explains or illustrates a rule (vidhi) previously propounded (MW)
a portion of a brāhmaṇa-text, which comments on, illustrates, or explains a vidhi or direction previously laid down, and which does not itself contain any direction (Caland (1931) [PB])
confirmation (MW)
explanatory reference to anything already said (MW)
explanatory repetition or reiteration with corroboration or illustration (MW)