/ˌuːtɑ.ðrɑˈme̞ːns/ adj.i extraordinary, unexpected, outside the normal; irregular, abnormal.
From ūtaðra ‘extra, outside’ (from Middle Valthungian ūtaðro, from Old Valthungian ūtaðrō, from Griutungi ūtaþrō, cf. Gothic ūtaþrō, from ProtoGermanic ūtaiþrô) and mǣns ‘common, regular, normal’ (from Middle and Old Valthungian mǣns, from Griutungi mǣns, cf. Gothic mains, from ProtoGermanic mainiz).
Sī ǣfta þō swinþi ūtaðramǣna fōn miþiža gahugiða sīnan a tenǧin.
‘She had the extraordinary ability to start fires with her mind.’