Silo
来自Big Physics
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mid 19th century: from Spanish, via Latin from Greek siros ‘corn pit’.
wiktionary
From Spanish silo, of unclear origin. See Spanish silo for more.
etymonline
silo (n.)
1835, from Spanish silo, traditionally derived from Latin sirum (nominative sirus), from Greek siros "a pit to keep corn in." "The change from r to l in Spanish is abnormal and Greek siros was a rare foreign term peculiar to regions of Asia Minor and not likely to emerge in Castilian Spain" [Barnhart]. Alternatively, the Spanish word is from a pre-Roman Iberian language word represented by Basque zilo, zulo "dugout, cave or shelter for keeping grain." Meaning "underground housing and launch tube for a guided missile" is attested from 1958.
