diaphanous
Concise Oxford English Dictionary © 2008 Oxford University Press:
diaphanous /dʌɪˈaf(ə)nəs/
▶adjective (of fabric) light, delicate, and translucent.
– origin C17: from med. L. diaphanus, from Gk diaphanēs, from dia ‘through’ + phainein ‘to show’.
'diaphanous' also found in these Oxford entries:

