seaquake C2+ Topic:Nature & Landscape US /ˈsiˌkweɪk/ UK /ˈsiːˌkweɪk/ See IPA manual Meanings 1 noun an earthquake occurring beneath or under the sea The seaquake sent tremors rippling through the hull of the ship. Thesaurus Synonyms 1 noun · an earthquake occurring... temblortremor Word family Related forms earthquakeseabed Etymology AI details A 19th-century compound of 'sea' (Old English 'sǣ') + 'quake' (Old English 'cwacian', 'to tremble'), modeled on 'earthquake'. sǣ Old English cwacian Old English View etymology graph -> Topics Nature & Landscape External links Cambridge Dictionary Wiktionary Google Images # seaquake **Type:** Word **Level:** C2+ **Part of speech:** noun **IPA (US):** /ˈsiˌkweɪk/ **IPA (UK):** /ˈsiːˌkweɪk/ ## Meanings 1. an earthquake occurring beneath or under the sea ## Examples - The seaquake sent tremors rippling through the hull of the ship. ## Synonyms - temblor - tremor ## Related Forms - earthquake - seabed ## Roots and Affixes - Root: sǣ - Root: cwacian ## Etymology A 19th-century compound of 'sea' (Old English 'sǣ') + 'quake' (Old English 'cwacian', 'to tremble'), modeled on 'earthquake'. ## AI Etymology Seaquake is from a 19th-century compound of 'sea' (Old English 'sǣ') + 'quake' (Old English 'cwacian', 'to tremble'), modeled on 'earthquake'. The historical chain includes Old English sǣ and Old English cwacian. Older glosses in the chain include "sea", "sǣ", "quake", and "cwacian", which help explain the semantic range of the modern word. Morphologically, seaquake is best read as compound, yielding an English noun shaped by both form history and later usage. In current English it functions as a noun, with the sense "an earthquake occurring beneath or under the sea". related forms include earthquake and seabed. The result is an English noun whose etymology preserves the older forms while supporting the word's specialized modern meaning. ## Topics - Nature & Landscape markdown