aphonia

n. 失音
【医】 失音[症], 发音不能

形容词:aphonic 

a.pho.ni.a

n.（名词）
Loss of the voice resulting from disease, injury to the vocal cords, or various psychological causes, such as hysteria.
失音症：由于疾病、声带损伤或各种心理诱因，如歇斯底里症，而失去声音

来源：
New Latin
现代拉丁语
from Greek aphônia [speechlessness]
源自 希腊语 aphônia [不能讲话]
from aphônos [voiceless]
源自 aphônos [失音的]
a- [without] * see a-
a- [没有] *参见 a-
phônô [voice] * see bh3- 2
phônô [声音] *参见 bh3- 2

【引伸】
aphon.ic