noun
flickering; wavering; shimmering
Describes a gentle, unsteady movement, often of light, flames, or reflections. More poetic than 揺れ.
ろうそくの炎の揺らめきが壁に映っていた。
The flickering of the candle flame was reflected on the wall.
水面のゆらめきがとてもきれいだった。
The shimmering on the water's surface was very beautiful.
揺れ is a more general and common word for shaking or swaying, while 揺らめき implies a softer, more irregular, and often visually appealing movement.
Verb form; 揺らめき is the noun derived from it, often used in descriptive or literary contexts.
Noun form of the verb 揺らめく (to flicker, waver), which is likely a mimetic word related to the root ゆら (swaying).