periscii

plural noun
pe·ris·cii | \pəˈrisēˌī, -ishēˌī\

Definition of periscii 

: those who live within a polar circle and whose shadows during some summer days will therefore move entirely round and fall toward every point of the compass

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History and Etymology for periscii

New Latin, from Greek periskioi, plural of periskios throwing a shadow all around, from peri- + skia shadow

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