archipelago
/ˌɑːkɪˈpeləgəʊ/noun
(pl. -os或 -oes)
1- a group of islands群岛。
1.1
- a sea or stretch of water having many islands多岛屿的海域。
词源
early 16th cent.: from Italian arcipelago, from Greek arkhi- 'chief' + pelagos 'sea'. The word was originally used as a proper name （the Archipelago 'the Aegean Sea'）： the general sense arose because the Aegean Sea is remarkable for its large numbers of islands.