silhouette of an island; faint outline of an island
Refers to the distant, often hazy or shadowy shape of an island as seen from a ship or shore. Used in descriptive, literary, or travel writing.
The silhouette of an island appeared on the horizon.
霧の向こうに島影がかすかに見える。
Beyond the fog, the faint outline of an island is visible.
Compound of 島 (shima, 'island') and 影 (kage, 'shadow, silhouette'). The reading しまかげ is a straightforward combination of the two elements.