“Threshold” is an old word for a simple thing: a horizontal floor strip, a doorsill, to mark the boundary of an entryway. Out of such simple things are the deepest metaphors made, often overdetermined or contradictory, imbued with preternatural power. A line of poetry, too, is a threshold, signaling its formality, tapping into uncanny origins: […]

Original source: https://www.nybooks.com/articles/2022/12/22/the-transplanted-ironist-the-threshold-iman-mersal/