Probably diminutive ofrudredfrom Middle English ruddefrom Old English rudureudh- in Indo-European roots
American Heritage Dictionary of the English Language, 5th Edition
Ruddle Sentence Examples
Considerable quantities of red ruddle and brown hematite occur generally, and these substances were probably used as paint.
The people of Ceos fought on the Greek side at Artemisium and Salamis; they joined the Delian League and also the later Athenian alliance in 377 B.C. They revolted in 3 6 3-3 62, but were reduced again, and the Athenians established a monopoly of the ruddle, or red earth, which was one of the most valuable products of the island.
It often passes into an earthy form, termed soft red ore, and when mixed with more or less clay constitutes red ochre, ruddle or reddle (Ger.