Pāḷi Grammars
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Kaccāyana-Byākaraṇaṃ · chapter 6 of 8

§487

Vaca-vasa-vahādīnam ukāro vassa ye

When ‘ya’ follows, the ‘v’ of “vaca”, “vasa”, “vaha” and others becomes ‘u’.

Text and translation

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487. 478. Vaca-vasa-vahādīnam ukāro vassa ye (978-9)

[Vaca-vasa-vaha-ādīnaṃ + ukāro + vassa + ye = 4 words]

Vaca vasa vaha icc evamādīnaṃ dhātūnaṃ vakārassa ukāro hoti yapaccaye pare.

Uccate, vuccati (VinA. i, 17); vussati (M. i, 201); vuyhati (Khu. vii, 3).

When ‘ya’ follows, the ‘v’ of “vaca”, “vasa”, “vaha” and others becomes ‘u’.
When the suffix ‘ya’ follows, there is ‘u’ of the ‘v’ of the roots “vaca”, “vasa”, “vaha” and others.
Examples
  1. Uccate, vuccati (it is said); vussati (it is inhabited); vuyhati (he is carried away).

Without the footnotes: they are on the chapter card.

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Pāḷi text and English translation by Bhikkhu Nandisena; edition, apparatus and glossary by the Instituto de Estudios Buddhistas Hispano (IEBH). This material may be reproduced for personal use and distributed free of charge. Copyright © 2026 IEBH. Published under CC BY-NC-ND 4.0 · DOI 10.5281/zenodo.21948010.