Dutch Leiden

← Middle Dutch leiden (inherited)

← Proto-Germanic *līþa- (inherited)

← Proto-Germanic *līþaną (mention)

← Proto-Germanic *laguz (cognate)

← Latin Lugdunum (cognate)

← Dutch Leiderdorp (mention)

← Dutch Lagiþon (mention)

← Dutch -iþi (mention)

→ English Leiden (borrowed)

→ German Leiden (derived)

→ Italian Leida (derived)

→ Dutch Leids (suffix)

→ Portuguese Leiden (borrowed)