On-þunian

根据古英语词典：

(?)

on-þunian

to swell out, exceed due bounds :-- Ic eom ufor ealra gesceafta ðara ðe worhte Waldend úser; se mec ána mæg geþeón þrymme, ðæt ic onrinnan (onþunian is suggested by Grein) ne sceal, Exon. Th. 427, 15; Rä. 41, 91. on-þunian