basal

sifat adjective

1. Basic, elementary; relating to, or forming, the base, or point of origin. A basal reader is a kind of book that is used to teach reading.
2. Associated with the base of an organism or structure. In the spring, basal leaves emerge from a stout taproot.
3. Of a minimal level that is necessary for maintaining the health or life of an organism. a basal diet
4. In a phylogenetic tree, being a group, or member of a group, which diverged earlier. The earliest clade to branch in a larger clade. A magnolia is a basal angiosperm.

ot noun

1. Base, bottom, minimum
2. Any basal structure or part