helmet: [15] A helmet is literally a ‘little protective hat’. The word was borrowed from Old French helmet, a diminutive form of helme ‘helmet’. This in turn was acquired by Old French from Germanic *khelmaz (source of English helm [OE]), which goes back ultimately to Indo-European *kel- ‘hide, cover’ (source of a wide range of English words, including apocalypse, cell, cellar, conceal, hall, hell, and occult). => hell, helm
helmet (n.)
mid-15c., perhaps a diminutive of Old English helm "protection, covering; crown, helmet" (see helm (n.2)). But Barnhart says from Middle French helmet (Modern French heaume), diminutive of helme "helmet," from the same Germanic source as helm (n.2). "Middle English Dictionary" points to both without making a choice. "Old English helm never became an active term in the standard vocabulary of English." [Barnhart]
例文
1. A man in a crash helmet was mounting a motorbike.
ヘルメットをかぶった男がバイクにまたがっている。
2.He pulled on a battered old crash helmet with a scratched visor.
彼はぼろぼろの防護ヘルメットをかぶっていて、その上のマスクには傷が付いています。
3.Miners wore a helmet as a guard against falling rocks.
鉱山労働者はヘルメットをかぶり、落下した岩を防護している。
4.He donned work clothes and a wicker helmet .
彼は作業服を着て、柳帽をかぶった。
5.Through the basement window I saw him strap on his pink cycling helmet .