What is "cinioch"

Cinioch, named Cínaed mac Luchtren in the Irish Annals, was king of the Picts, in modern Scotland, from circa 616 to 631, when his death is reported in the Annals of Ulster, the Annals of Tigernach and the Chronicon Scotorum.

According to the Pictish Chronicle king lists, he reigned for 14 or 19 years and was followed by Gartnait III.