This episode delivers the origins of words related to pregnancy. IVF is a common term today, but early media reports often used the phrase test tube baby, which predates the 1970s when in-vitro fertilisation first emerged. Discover how the term folic, for the B vitamin, connects to the word for leaves, and why preeclampsia traces back to an ancient Greek word meaning light. We also explore pregnancy signs, including the components of the hormone detected by pregnancy tests, and how ancient Egyptians developed tests using wheat and barley.

In this episode, we scrub up the origins of cleaning-related words. The English towns of West Bromwich and Castle Bromwich share an etymology with a term for sweeping floors, while laundry has roots connected to lavatory. The phrase spick-and-span is believed to have nautical origins, just like the word squeegee. Learn who invented the vacuum cleaner, which was originally referred to a suction sweeper, and who bought the rights to it.

This time, we're weighing the evidence behind the origins of words related to justice. The word dock is thought to trace back to a term for a chicken coop, while the Latin root of innocent links to the word noxious. Discover why we use the term panel for both jurors and conference speakers, and how adjourned is connected diary entries. We also examine the etymological roots of professional terms like attorney, lawyer and barrister.