来自希腊语gigas, 巨大,词源同gigabyte.
In þat tyme wer here non hauntes Of no men bot of geauntes. [Wace's Chronicle, c. 1330]It replaced Old English ent, eoten, also gigant (from Latin). The Greek word was used in Septuagint to refer to men of great size and strength, hence the expanded use in modern languages; in English of very tall and unusually large persons from 1550s; of persons who have any quality in extraordinary degree from 1530s. As a class of stars, from 1912. As an adjective from early 15c. Giant-killer is from 1726.