Note that the Gemini CLI wrote the following after getting me all set up, any errors are not my own. The motivation was getting LunarVim to run without nvim-related errors; my nvim was too new (0.11.something) and there were no pre-built packages for downgrading.
This guide provides instructions for compiling and installing Neovim 0.9.5 from source on Termux, including the necessary dependencies and manual installation steps.
First, install the required build tools and libraries using the pkg package manager: