noun, masculine/psɛ.lism/plural: psellismes
psellisme is masculine in French.
stuttering; dysphemia; a generic term used to describe all faults of pronunciation
“Les spécialistes distinguent onze espèces de psellismes aux noms imprononçables.” — Specialists distinguish eleven types of psellisms with unpronounceable names.
From Ancient Greek ψελλισμός (psellismós, “stammering”), from ψελλός (psellós, “faltering”).