One of the mysteries of the English language finally explained.
military slang, historical, archaic
Everything, the whole amount; all that there is. Chiefly in "the whole sub-cheese".
Mid 19th century; earliest use found in Always Ready. From Hindi sab cīz from sab all, every + Urdu cīz thing, object. With the spellings of the second element compare cheese; the spelling of the first element may reflect folk-etymological identification with sub-.
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