: Like many system fonts, it includes both Tamil and Latin (English) characters , allowing for seamless bilingual typesetting in a single document. Usage and Accessibility
Because it is a system font for Apple products, it is optimized for high-resolution displays (Retina) and serves as a reliable default for apps and mobile interfaces. tamil mn bold font
You are using a "fake bold" generated by the OS, rather than the actual Tamil MN Bold glyph set. Solution: Select the actual "Bold" variant from the font menu. Do not just press Cmd+B in a basic text editor if the font family lacks a bold file. : Like many system fonts, it includes both