‘We get the word etymology from the Greek étymon,’ continued Professor Lovell. ‘The true sense of a word, from étumos, the “true or actual”. So we can think of etymology as an exercise in tracing how far a word has strayed from its roots. For they travel marvellous distances, both literally and metaphorically.’ He looked suddenly at Robin. ‘What’s the word for a great storm in Mandarin?’ Robin gave a start. ‘Ah – fēngbào?’* ‘No, give me something bigger.’ ‘Táifēng?’