Word Origin & History
shelflate 14c., from M.L.G. schelf "shelf, set of shelves," or from O.E. cognate scylfe "shelf, ledge, floor," and scylf "peak, pinnacle," from P.Gmc. *skelf-, *skalf- "split," possibly from the notion of a split piece of wood (cf. O.N. skjölf "bench"), from PIE base *(s)kel- "to cut, cleave" (cf. L.
EXPANDsculpere "to carve"). Shelf life first recorded 1927. Phrase on the shelf "out of the way, inactive" is attested from 1575. Continental shelf first attested 1892.
shelve1591, "to overhang," back formation from shelves, plural of shelf. Meaning "put on a shelf" first recorded 1655; metaphoric sense of "lay aside, dismiss" is from 1812. Meaning "to slope gradually" (1614) is from M.E. shelven "to slope," from shelfe "grassy slope," related to
shelf.
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