6 letters · 8 points in Scrabble
verb annoy persistently
originIn the senses of “overcrowd (a place)” and “impede (a person)”: from Middle French and Old French empestrer (“encumber”), influenced by English pest. The modern sense is an extension of the sense “infest”. Comparable to English construction pest + -er (used to form frequentative verbs).
Etymology from Wiktionary, CC BY-SA 3.0