Ronuk1
/ˈrɒnʌk/ /ˈrɒnək/Now chiefly historical
noun
A make of polish (formerly a trademark); specifically a brand of floor polish.
Origin
Late 19th century; earliest use found in The Trade Marks Journal. Apparently from Urdu ronaq lustre (or its cognate in a related language) from Persian raunaq from Arabic raunaq, all in the same sense.
ronuk2
/ˈrɒnʌk/Now chiefly historical
verb
[with object] To polish with Ronuk.
Origin
Early 20th century. From Ronuk.