silt
Word family nounsiltationsiltsiltstoneadjectivesilty
silt1 /sɪlt/ noun [uncountableU] silt2 verb 1 silt up phrasal verbphr v SHUT/CLOSEif something silts up or is silted up, it becomes filled with silt (被)淤塞 The old harbour silted up years ago. 这个老港湾在许多年前就淤塞了。
Origin silt1 (1400-1500) Probably from a Scandinavian language