Þilian
Bosworth & Toller Anglo-Saxon Old English Dictionary - þilian
According to the Old English Dictionary:
þillian, þillan
- þilian
- to plank, lay planks as in making a bridge :-- Ðá hét Maxentius oferbricgian ða eá eal mid scipum, and syððan ðylian swá swá óðre bricge, Homl. Th. ii. 304, 22. Tó þilianne plancas ponere, Cod. Dip. B. iii. 659, 33. Tó þillianne, 5, 8, 10, 14. Tó þelliene, 26. Tó þillanne, 28. Tó þyllanne, 24. (The section is headed: Ðis is ðære bricge geweorc on Hróuecæstre.) [O. H. Ger. gi-dillón insternere (pontes): Ger. dielen to board, plank: Icel. þilja to cover with deals, to board, plank.]