Almost exactly 150 years after the Neanderthaler was found, we still don’t know much about them, but we do know what their language sounded like – or at least, one Ruth Omphalius thought up a Neanderthaler language for a German TV series. It has two-word ‘sentences’ and is loosely based on Inuktut, the language of the Inuit. “Igunartok!” is a general curse and approximates what the Neandertaler said on the occasion of a famous meeting (and not ‘Cro-Magnon man, I presume?’).
Neanderthalers always spoke with exclamation marks at the end, and their words started with capital letters, like German nouns.
Akrigeuyak! you idiot
Nutkarpok! shut up
(On this page, click on Mediathek. Look for Bilderserie: Sprechen Sie neandertalisch! – and in the clip Clantreffen im Neanderthal you can hear them speaking. If you ever meet any Neanderthalers, which is not very likely, you can recognize them from the mysterious background music that always accompanies them).
(Indirectly via Handakte WebLAWg, where Rainer Langenhan links Neanderthalers to more recent residents of Düsseldorf)
Neanderthal man / Der Neandertaler: