When the word “hygge” became popular outside Denmark a few years ago, it seemed the perfect way to express the feeling of wrapping yourself up in a crocheted blanket with a cosy jumper, a cup of tea and back-to-back episodes of The Bridge. But is it really only the Danes, with their cold Scandinavian evenings, who could have come up with a word for such a specific concept? And is it only the Swedes who could have needed the verb “fika” to describe chatting over a coffee?