👉 Interlisp is a programming language that was developed by a team of developers at Microsoft Research. It is designed to be able to write and debug code in two languages, which are typically English and Spanish. Interlisp uses the Lisp syntax for both languages and supports several features such as debugging, error handling, and interactive development environments. The term "interlisp" refers to the combination of two languages, likely referring to a programming language that is designed to be able to write code in both