In this episode, we uncover the origins of words related to the summer season, such as sweltering, holiday, barbecue and scorching. Learn about the dahlia, a flower of the British summer season, named after Swedish botanist Anders Dahl, who shares a surname with the famous author Roald Dahl. The name means "valley" with the English variant being "dale". Discover why the sunscreen brand Piz Buin is named after a mountain and how "al fresco" has a very different meaning in Italian slang compared to its English usage of dining outdoors.