-worth

Etymology
From.

Suffix

 * 1) * 1941, Betty Swallow, private correspondance, quoted in 2009, Dear Helen: Wartime Letters from a Londoner to Her American Pen Pal, University of Missouri Press (ISBN 9780826271808), page 177
 * Well! he&#39;s doing well, now, partaking of a little boiled chicken, and an egg or so, while the average Britisher has a hell of a job to get a shillingworth of meat a week and has to queue up for hours for eggs.
 * Well! he&#39;s doing well, now, partaking of a little boiled chicken, and an egg or so, while the average Britisher has a hell of a job to get a shillingworth of meat a week and has to queue up for hours for eggs.

Usage notes
Usually suffixes to the genitive form of nouns, which means that there is a connecting -s- infix between the noun and the suffix. Monetary amounts such as seem to be an exception to this.