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guano (n.)
c. 1600, from Spanish guano "dung, fertilizing excrement," especially of sea-birds on islands off Peru, from Quechua (Inca) huanu "dung."
also from c. 1600
Entries linking to guano
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Trends of guano
adapted from books.google.com/ngrams/. Ngrams are probably unreliable.
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updated on January 06, 2018
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