←
Old English sēocra (inherited)
←
Old English sicer (inherited)
←
Old English sicor (mention)
←
English sitch (mention)
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Middle English siker (inherited)
←
Middle English sikker (mention)
←
Middle English secre (mention)
←
Middle English seccre (mention)
←
Middle English siker (inherited)
←
Proto-Germanic *sīką (derived)
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Proto-West Germanic *sikur (inherited)