warehouse (n.)
mid-14c., from ware (n.) + house. Compare Dutch warenhuis, German warenhaus. Meaning "large impersonal institution" is American English colloquial, first attested 1970.
warehouse (v.)
1799, "deposit or secure in a warehouse," from warehouse (n.). In the colloquial sense, especially of mentally disabled persons, from 1972. Related: Warehoused; warehousing.