Forth is simple to bootstrap, but maybe not so easy to learn or reason about, because it isn't really taught in any schools or popular online materials. There a

Forth is simple to bootstrap, but maybe not so easy to learn or reason about, because it isn't really taught in any schools or popular online materials. There are tons of resources for thinking about and writing compilers for C-like languages, and there's a decent chance that someone with a CS degree has done so doing their coursework.