Arun Chandrasekaran

A compact map of Sanskrit to Pāḷi

February 14, 2026

Here is a concise map of major sound changes from Old Indo-Aryan (Sanskrit) -> Middle Indo-Aryan (Pāḷi).

Consonant Cluster Simplification (Biggest Change)

Middle Indo-Aryan strongly simplifies clusters.

1. Stop + Stop -> Geminate

Sanskrit Meaning Pāḷi Meaning
dharma law, doctrine dhamma teaching, doctrine
karma action kamma action, deed
sapta seven satta seven

Rule (simplified): r + consonant often disappears; cluster becomes doubled consonant.


2. dhy -> jh

Sanskrit Meaning Pāḷi Meaning
dhyāna meditation jhāna meditative absorption
dhyāyati meditates jhāyati meditates
upādhyāya preceptor, teacher upajjhāya monastic preceptor

3. jñ -> ññ / ñā

Sanskrit Meaning Pāḷi Meaning
jñāna knowledge ñāṇa knowledge, insight
ajña ignorant person añña ignorant; “other” (by development)

4. kṣ -> kkh / kh

Sanskrit Meaning Pāḷi Meaning
kṣetra field khetta field
kṣānti patience, forbearance khanti patience, endurance

Loss of r in Clusters

Sanskrit r in clusters often disappears and causes doubling:

Sanskrit Meaning Pāḷi Meaning
karma action kamma action
varṇa color, class vaṇṇa color, appearance
śraddhā faith saddhā faith, confidence

Assimilation & Gemination

Clusters assimilate to nearby sounds:

Sanskrit Meaning Pāḷi Meaning
satya truth sacca truth
tattva principle, reality tatta that-ness; reality

Sibilant Simplification

Sanskrit has 3 sibilants (ś ṣ s). Pāḷi reduces them mostly to s.

Sanskrit Meaning Pāḷi Meaning
śīla moral conduct sīla moral virtue
śraddhā faith saddhā faith

Vowel Changes

Less dramatic than consonants, but:

Sanskrit Meaning Pāḷi Meaning
maitrī loving-kindness mettā loving-kindness
gaurava weight, respect garava respect

Aspiration Often Preserved

Unlike later Prakrits, Pāḷi often keeps aspiration:

Sanskrit Meaning Pāḷi Meaning
bhikṣu mendicant, monk bhikkhu Buddhist monk
buddha awakened one buddha the awakened one
duḥkha suffering, pain dukkha suffering, unsatisfactoriness
laghu light (in weight) lahu light, swift

Big Picture

Old Indo-Aryan -> Middle Indo-Aryan (Pāḷi) shifts:

Pāḷi is therefore phonologically simpler and more regular than classical Sanskrit.