Luxembourgish richen

← German riechen (cognate)

← English reek (cognate)

← West Frisian rûke (cognate)

← Proto-Germanic *reukaną (inherited)

← Old High German riohhan (inherited)

← Icelandic rjúka (cognate)

← Dutch rieken (cognate)

→ Luxembourgish berichen (affix)