envaser bedeutet auf Englisch

silt [silted, silting, silts]▼◼◼◼(to become clogged with silt)
verb
[UK: sɪlt] [US: ˈsɪlt]

silt [silted, silting, silts]▼◼◼◼(to clog or fill with silt)
verb
[UK: sɪlt] [US: ˈsɪlt]

silt up▼◼◼◻(become filled or clogged with silt)
verb
[UK: sɪlt ʌp] [US: ˈsɪlt ʌp]