This particular Donaldsonism should be familiar to anyone who’s read The Second Chronicles, where Thomas Covenant fights against the Clave and the Rede of the na-Mhoram. 

rede /rid/ [reed]

verb, red·ed, red·ing, noun Chiefly British Dialect

–verb (used with object)
1. to counsel; advise. 
2. to explain. 
3. counsel; advice. 
4. a plan; scheme. 
5. a tale; story. 

[Origin: bef. 900; (v.) ME reden, OE rǣdan; (n.) ME; OE rǣd, c. OFris réd, OS rād, ON rāth]