Noun, Suru verb, Transitive verbengraving; carving (into) · polishing (a piece of writing); improving

Nounengraving of lacquer-stained ivory (popular during the Tang dynasty)

Noun, Suru verb, Intransitive verblaborious work; lucubration; lucubrations; painstakingly polishing a piece of literary work

Ichidan verb, Transitive verbto inlay; to set; to stud (e.g. star-studded sky); to enchase (something) with; to mount (gems)