Full

According to the Old English Dictionary:

full

ad plēne, perfecte, omnīno :-- Þurh tyn winter full for fully ten winters, Bd. 1, 6; S. 476, 25. He sæt ðǽr tyn winter full he remained there fully ten winters, Bt. Met. Fox 26, 33; Met. 26, 17. v. ful; adv. -full,full

Related words: Fully, perfectly, entirely;