Botton

Example:The boat has a heavy bottom filled with rocks for stability.

Definition:The lowest part of something; the part that faces downward or rests on a surface.

Example:The economy bottomed out in the first quarter of 2023 after a series of declines.

Definition:To reach the lowest point; become as low as possible.

Example:The new company is growing bottom up, starting with the grassroots and moving upwards.

Definition:From the lower levels within a system, organization, etc., to the top; a method of estimation that starts with the requirements of the specific functions that it is intended to support and builds on these requirements to determine overall cost and other parameters.