nitty gritty

The phrase "nitty gritty" refers to the essential details, practical specifics, or the heart of a matter. It is a rhyming reduplication, likely derived from the words "nit" (a louse egg) and "grit" (sand or dirt), implying something granular, difficult, or unpleasant to deal with. The term first appeared in print in the mid-20th century, gaining popularity in the 1950s and 1960s, and was historically associated with African American Vernacular English and jazz culture.

The term is contested due to a persistent folk etymology suggesting it originated from the debris found at the bottom of slave ships. While etymologists and the Oxford English Dictionary have found no written evidence to support a link to the slave trade—noting that the term appeared in print nearly a century after the abolition of slavery in the US—the belief remains widespread. Consequently, some institutions and style guides advise against its use to avoid potential offense, while others maintain that the term is benign given its documented historical record.

Example:
"After the pleasantries were exchanged, the lawyers got down to the nitty gritty of the settlement."

Example:
"She prefers the nitty gritty of coding to the abstract planning of software architecture."