Old French peril

← Latin perīculum (inherited)

→ English peril (derived)

→ English perilous (mention)

→ Middle English peril (borrowed)

→ Middle English perel (borrowed)

→ Middle English perill (borrowed)

→ French péril (inherited)

→ Old French perilleus (suffix)

→ Old French perillier (suffix)

→ Norman péthi (inherited)