Why this word is great
PSELLISM — [Noun] A speech disorder characterized by stammering or stuttering. From Ancient Greek ψελλισμός (psellismós, "stammering"), from ψελλός (psellós, "faltering"). Unlike "lisp" (which distorts sibilants) or "dysarthria" (which stems from neurological damage), psellism is the raw, unvarnished struggle of words against the body’s own hesitation. It is the caught breath before a first date’s name, the silent battle between tongue and teeth in a job interview, or the way a child’s story stalls mid-sentence—not for lack of thought, but because language, for all its promises, sometimes fails its most earnest speakers.