अव्ययाश्चादयो निपाताः ॥ कZ_०२.१०.१९ ॥
avyayāś cādayo nipātāḥ
Les particules (nipāta)—telles que ca («et»), etc.—sont des indéclinables (avyaya).
Because connectors and particles govern scope (addition, contrast, condition), which is critical for interpreting rules, exemptions, and multi-step procedures.