अव्ययाश्चादयो निपाताः ॥ कZ_०२.१०.१९ ॥
avyayāś cādayo nipātāḥ
Ang mga partikulo (nipāta)—gaya ng ca (“at”), atbp.—ay mga salitang di-nagbabago (avyaya).
Because connectors and particles govern scope (addition, contrast, condition), which is critical for interpreting rules, exemptions, and multi-step procedures.