French cahier

← French caserne (doublet)

← French quaterne (mention)

← French carnet (mention)

← Old French quaer (inherited)

← Old French quaier (mention)

← Latin quaterni (inherited)

→ English cahier (borrowed)

→ Esperanto kajero (borrowed)

→ French carnet (mention)

→ French caserne (doublet)

→ Ido kayero (borrowed)

→ Dutch cahier (borrowed)

→ Polish kajet (borrowed)

→ Portuguese caderno (cognate)

→ Romanian caiet (borrowed)