early 14c., clogge "a lump of wood," origin unknown. Also used in Middle English of large pieces of jewelry and large testicles. Compare Norwegian klugu "knotty log of wood." Meaning "anything that impedes action" is from 1520s. The sense of "wooden-soled shoe" is first recorded late 14c.; they were used as overshoes until the introduction of rubbers c. 1840. Originally all wood (hence the name), later wooden soles with leather uppers for the front of the foot only. Later revived in fashion (c. 1970), primarily for women. Clog-dancing is attested from 1863.
clog (v.)
late 14c., "hinder," originally by fastening a block of wood to something, from clog (n.). Meaning "choke up with extraneous matter" is 17c. Related: Clogged; clogging.
例文
1. The result is that the lungs clog up with a thick mucus.
検査の結果、肺は厚い粘液で塞がれていた。
2.The soids would clog sewers,cause interference in subsequent treatment processes.
これらの固体物は管渠を塞ぎ、後続処理に影響を与える。
3.A clog or fetter on the equity of redemption is void.
阻害および束縛平衡法上の贖い板はすべて無効です。
4.Sludge can also clog oil passages and prevent normal engine lubrication.
スラッジはまた油路をふさぎ、エンジンの正常な潤滑動作を妨げる。
5.In cotton and wool processing，short length fibers may clog sewers.