bottoming

The act of something that bottoms; the point at which something bottoms (in various senses).

In the course of this investigation, it was learned that the mean number of bottomings per second could be calculated theoretically […]

A hundred and fifty yards from its bottoming, the cliff trail squeezed between a pair of portal rocks.

A foundation (literal and figurative senses).

These and the like are the maine truths in your esteeme, which I conceive have no bottoming in the holy Scripture.

a road made with six inches of broken stone of great hardness, laid either on a foundation of large stones, set in the form of a pavement, or upon a bottoming of concrete

Material used to line the bottom of something.

[…] we were overtaken by a storm, and camped ten miles short of the ranch; we could afford to do this, as his wagon had a good tilt and a bottoming of straw.

A bottoming of linen or hessian covering can be omitted if the outside covering is folded under whilst being tacked on the underside of the base members.

A substance used to prepare a material for dyeing.

Sumach is generally used as a bottoming when the metallic base or mordant is iron or tin, and for dyeing deep colours, such as blacks, reds, &c.

For white-haired calf’s-skin a bottoming of walnut or gallnut extract is used.

Residue left at the bottom of something.

[His porridge] was, as usual, composed of the scraps and bottomings of bowls which had been left unfinished by the rest of the household.

[…] the cage bottomings make a fine addition to the mulch pile.