It is only recently that the ritual object κέρνος or κέρχνος described by Athenaeus has been discovered, recognized, and explained by the labours of Philios, Kourouniotes, and Rubensohn. It was a clay vessel, to which were attached a number of small cups containing various grains and liquids, offered as first fruits of the harvest, especially in the Eleusinian worship, to the divinity. It was carried in procession on the head of the priestess (κερνοφορεῖν, κερνοφορία) to the accompaniment of ritual dancing (κερνοφόρον ὄρχημα) Besides the grains, the liquids and the unwashed wool, in the central bowl of the kernos was placed the παλάθιον upon which was set a lighted lamp or candle.
There is thus no doubt about the form and use of the kernos of the Greek period. But its existence and use have been traced also to the prehistoric period by Mr. Bosanquet, who has described similar Pre-Mycenaean vessels found many years ago in Melos, and now preserved in various European museums. He has also described and explained as a kernos another vessel consisting of three small vases, found in a tomb at στὸν Κάπρο near Phylakopi in Melos, and belonging to the so-called Cycladic (Early Minoan) period, and also in the excavations of the British School at Phylakopi prehistoric kernoi were found. Further, Mr. Dawkins considers that forty-four conical cups, which he found broken off some such complex vessels, together with idols and other ritual objects, in a Minoan house at Palaikastro in Crete, belonged to kernoi.