It is said of what has a hidden, unknown origin. It consists of the Greek voices 954; 961; 965; 960; 964; 959; 962; ( kryptos "hidden" ) 947; 949; 957; 959; 962; ( genos "birth, origin" ) 953; 954; 959; 962; ( -ikos "relative to" ) . See airtight.
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