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Introduction to प्रत्ययाः (suffixes) in Sanskrit In Sanskrit grammar, प्रत्ययाः (pratyayāḥ) are suffixes added to words or roots to create new meanings and grammatical forms. They are one of the most important concepts in Sanskrit because they help us form:
The science of pratyayas was explained systematically by Pāṇini in the famous grammar text Aṣṭādhyāyī.

What does प्रत्ययः mean? The word प्रत्ययः literally means:
A pratyaya cannot usually stand alone. It is attached to:
There are two main categories of प्रत्ययाः
1. कृत्-प्रत्ययाः (Kṛt Pratyayas)

These suffixes are added to verbal roots (धातु-s) to create nouns, adjectives, or participles.

Root Meaning Pratyaya New Word Meaning
पठ् To read तृच् पाठकः Reader
कृ To do तव्य कर्तव्यः Should be done
गम् To go क्त गतः Gone

2. तद्धित-प्रत्ययाः (Taddhita Pratyayas)

These suffixes are added to nouns to form related words.

Base Word Pratyaya New Word Meaning
गुरु य गौरवम् Greatness, respect
दशरथ अण् दाशरथिः Descendant of Daśaratha
ग्राम य ग्राम्यः Rural

These often express
  • Relation
  • Lineage
  • Possession
  • Quality
  • Place
  • Nationality
  • Profession
Verb Endings Also Use Pratyayas (तिङ्-प्रत्यय) In Sanskrit verb conjugation endings such as:
are also considered pratyayas. For example:
पठति = पठ् + ति
गच्छन्ति = गम् + अन्ति

These endings indicate:
Why Pratyayas Are Important Understanding pratyayas helps:
For example, once you know the suffix तृच् (तृ), you can recognize many “doer” words:
Common Types of Pratyayas Some important groups include:

Type Purpose
1. कृत् Derivatives from roots
2. तद्धित Derivatives from nouns
3. सुप् Noun case endings
4. तिङ् Verb endings
5. स्त्री Feminine-forming suffixes

In Pāṇinian grammar, विकरणप्रत्ययाः are indeed a separate class of pratyayas.
For verbs, the structure is often:

धातु + विकरणप्रत्यय + तिङ्प्रत्यय
For example:
Simple Example of Word Formation Take the root √कृ — "to do"
Different pratyayas create different meanings:

Form Meaning
करोति (कृ + शप् + तिप्) (धातु + विकरणप्रत्यय + तिङ्प्रत्यय) He does
कर्ता (कृ + तृच् + सु) (धातु + कृत्-प्रत्यय + सुप्-प्रत्यय) Doer
कर्म (कृ + मन् → कर्मन्) (धातु + कृत्-प्रत्यय) Action
कृतम् (कृ + क्त + सु) (धातु + कृत्-प्रत्यय + सुप्-प्रत्यय) Done
कार्यम् (कृ + ण्यत् + सु) (धातु + कृत्-प्रत्यय + सुप्-प्रत्यय) Work, something to be done

Thus, one root can generate many related words through pratyayas.

Pratyayas are the building blocks of Sanskrit word formation. By learning them, students begin to see how Sanskrit words are constructed systematically and logically. A strong understanding of pratyayas opens the door to deeper grammar, better vocabulary, and easier reading of classical Sanskrit literature.

Each प्रत्यय has to be studied and understood.