From ofer- +‎ tēon.

• IPA^(key): /ˌo.ferˈte͜oːn/, [ˌo.verˈte͜oːn]

ofertēon

1. to draw one thing over another
   • 1921, Joseph Bosworth & Thomas Northcote Toller, An Anglo-Saxon Dictionary, German Lexicon Project.

     Woruld miste ofertēah, þȳstrum biþeahte. ― He/she drew mist over the world, covered it in shadow.

2. to cover by drawing one thing over another; to eclipse; to obscure
   • 1921, Joseph Bosworth & Thomas Northcote Toller, An Anglo-Saxon Dictionary, German Lexicon Project.
     1. Ðonne ic ofertēo heofenan mid wolcnum. ― Then I will cover the heavens with clouds
     2. Hē nǣfre eft nolde ealne middaneard mid nānum flōde ofertēon. ― (please add an English translation of this quotation)
     3. Ðonne se fulla mōna wyrð ofertogen mid þȳstrum. ― (please add an English translation of this quotation)
3. to bring to an end; to end, conclude

• adeorcian
• asweartian
• āþīestrian
• behelian
• behlīdan
• beþeccan
• dimmian
• endian
• forbregdan
• fordyttan
• fortimbran
• fortēon
• genipan
• geþȳstrian
• geþuhsian
• lūcan
• ofþȳstrian
• sweorcan
• þeccan
• wreon

• abeþecian
• barian
• beginnan
• forþtēon
• geēowan
• onginnan
• openian
• unhelian
• unþeccan
• unwreon

• ofertogennes

• Joseph Bosworth; T. Northcote Toller (1898), “oferteon”, in An Anglo-Saxon Dictionary‎^[1], second edition, Oxford: Oxford University Press.
• German Lexicon Project
• Old English to Modern English Translator