pith
UK[pɪθ]US[pɪθ]
n
The essential or most important part of something.
n
The soft, spongy tissue in the stems of some plants or in fruits like oranges.
Etymology
The word 'pith' has a long history in the Germanic language family, tracing back to the Old English pitha. Its ultimate origin is likely from a West Germanic root, though its precise Proto-Indo-European ancestor is uncertain. The core meaning has consistently centered on the concept of an essential, central, or soft inner substance. This semantic core is evident in its earliest botanical applications, referring to the spongy central tissue in plant stems. Over centuries, this concrete, physical sense provided a powerful and enduring metaphor, allowing the word to develop its modern abstract meaning: the most vital and important part of an idea, argument, or matter.
Analysis
This word is a simplex. It is a loanword from Old English pitha, which is of Germanic origin. It functions as a single, unanalyzable morpheme in modern English.
Examples
The pith of his argument was that economic reform could not be delayed.
Be careful not to include the bitter white pith when zesting an orange.
Her report got straight to the pith of the issue without any unnecessary detail.