noun
trembling voice; quavering voice
Describes a voice that shakes due to fear, cold, nervousness, or strong emotion.
彼は震え声で「助けて」と言った。
He said 'Help me' in a trembling voice.
寒さで震え声になりながら、彼女は外で待っていた。
Her voice trembling from the cold, she waited outside.
Compound of 震え (furue, 'trembling', continuative form of 震える) and 声 (koe, 'voice'), with rendaku voicing of こえ to ごえ.