assay n.
- an examination or testing
- the analysis of an ore, alloy, drug, etc. to determine the nature, proportion, or purity of the ingredients
- a substance to be thus tested or analyzed
- the result or report of such an analysis
- [Now Rare] an attempt
vt.
- to make an assay of; test; analyze
- to attempt
>vi.
- to be shown by analysis to contain a specified proportion of some component [this ore assays high in gold]
If this is your question, then I do not have any idea what you are after.
This is one of several definitions for the word essay: a short literary composition of an analytical, interpretive, or reflective kind, dealing with its subject in a nontechnical, limited, often unsystematic way and, usually, expressive of the author's outlook and personality
Jay