sieve (n.) Look up sieve at Dictionary.com
Old English sife "sieve," from Proto-Germanic *sibi (cf. Middle Dutch seve, Dutch zeef, Old High German sib, German Sieb), of unknown origin. Related to sift. Sieve and shears formerly were used in divinations.
sieve (v.) Look up sieve at Dictionary.com
late 15c., from sieve (n.). Related: Sieved; sieving.