特發性

idiopathic

special / unique / distinguished / especially / unusual / very / abbr. for 特克斯[te4 ke4 si1], tex

nature / character / property / quality / attribute / sexuality / sex / gender / suffix forming adjective from verb / suffix forming noun from adjective, corresponding to -ness or -ity / essence / CL:個|个[ge4]

to send out / to show (one's feeling) / to issue / to develop / to make a bundle of money / classifier for gunshots (rounds)