More on Paynising from Infoplease:

• Paynising - Paynising A process of preserving and hardening wood invented by Mr. Payne. (See Kyanise.) Source: ...
• Kyanise - Kyanise (3 syl.) To apply corrosive sublimate to timber in order to prevent the dry-rot; so called ...
• Dictionary of Phrase and Fable: P - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "P"