Install fonts-tlwg-mono-otf by entering the following commands in the terminal:
sudo apt update sudo apt install fonts-tlwg-mono-otf
Description:
Thai TlwgMono OpenType font
This package provides Thai TlwgMono monospace font from TLWG, in OpenType format. . The font provides Thai purely monospace font, i.e. all glyphs are of the same width, even for combining characters. . The glyph shapes are designed to look like Thai X bitmap font for terminal.
Homepage: https://linux.thai.net/projects/fonts-tlwg
Version: 1:0.6.4-2
Section: universe/fonts