German sicken

← German seichen (cognate)

← German sickern (cognate)

← English pissed off (cognate)

← Proto-Germanic *saikijaną (derived)

← Proto-Germanic *sikkōną (cognate)

← Central Franconian secke (derived)

← Dutch zeiken (cognate)

→ German sickich (mention)

→ German sickig (suffix)

→ Dutch zeiken (cognate)