Geár-cyning

According to the Old English Dictionary:

geár-cyning

a king who holds authority only for a year. For Cot.48 substitute :-- Gércyning oððe heretoga consul, geárcyninges consulis, Wrt. Voc. ii. 20, 4, 3. Geárcyninges consulis, 96, 8. Geárcynges, Germ. 388, 24. gear-cyning