Fíf-tyne

古英語辞典によると:

-tene

fíf-tyne

fifteen; quindĕcim :-- Fíftyne fæðma fifteen [of] cubits, Gen. 7, 20. Fíftyne suna fifteen [of] sons, Boutr. Scrd. 21, 32. He slóh fíftyne men he slew fifteen men, Beo. Th. 3169; B. 1582. He on wéstenne wíceard geceás fíftynu geár he chose a dwelling in the wilderness fifteen years, Exon. 46b; Th. 158, 13; Gú. 908. Fíftyno, acc. n. Cd. 57; Th. 70, 10; Gen. 1151. fif-tyne