Rudiment is the most basic or elemental form, or an undeveloped organ or limb.
the elementary stages of any subject (usually plural)
The definition of an alphabet is a system of letters of a language written or spoken in their proper order.
Find another word for first-principle. In this page you can discover 5 synonyms, antonyms, idiomatic expressions, and related words for first-principle, like: rudiment, first rudiment, alphabet, abc and abcs.