alg-

Etymology
From.

Prefix

 * 1) basic, fundamental, elementary
 * tõde "truth" → algtõde "a fundamental truth or fact (usually regarding a specific field)"
 * 1) starting, initial
 * kapital "funds" → algkapital "initial funds"
 * 1)  proto-
 * läänemeresoome "Finnic" → algläänemeresoome "Proto-Finnic"