Yaska

Personal

Nirukta

Vedanga on etymology

A commentary on Nighantu, a compilation of rare or difficult words

The Nighanu and Nirukta are typically treated as one document.

Three parts:

Naighantuka kanda - a collection of synonyms in three adhyayas

Physical things and nature

Man, qualities associated with man

Abstract qualities and concepts

Naigama kanda - a collection of words found only in the Vedas

Daivata kanda - a collection of names for deities

Ideas

Four main categories of words

Two main ontological categories of speech

Process or action (bhava)

Entity or being (sattva)

Words are the primary carriers of meaning