Old English sicor

← Proto-West Germanic *sikur (inherited)

← Latin sēcūrus (derived)

→ English sure (cognate)

→ English sicker (mention)

→ Old English sicorlice (affix)

→ Old English sicornes (affix)

→ Welsh sicr (derived)

→ Middle English siker (inherited)

→ Middle English sicer (inherited)