ஒன்று

Etymology
From. Cognate with 🇨🇬, 🇨🇬 and 🇨🇬, 🇨🇬.

Numeral

 * 1) one

Article

 * 1) an, a

Usage notes
As an article, used after a noun, and inflected in the oblique cases (the noun it is referring to does not undergo declension).