Phil in SF quoted Assassin's Quest by Robin Hobb (The Farseer Trilogy, #3)
King Shrewd is dead at the hands of his son Regal. As is Fitz—or so …
He had given me one lambent glance from his dark eyes, and I had held my tongue.
— Assassin's Quest by Robin Hobb (The Farseer Trilogy, #3) (82%)
new vocabulary: lambent
glowing, gleaming, or flickering with a soft radiance