Topic summary
Triliteral root

Extracted from the Wikipedia article Semitic root.
Biliteral origin of some triliteral roots
Although most roots in Hebrew seem to be triliteral, many of them were originally biliteral; compare the relation between:
Topic summary

Extracted from the Wikipedia article Semitic root.
Although most roots in Hebrew seem to be triliteral, many of them were originally biliteral; compare the relation between: