WA thethen, þethin
'thence, from there' (Modern English )
*þan- or *það-
Proposed ON Etymon (OIcel representative)
þaðan, þeðan 'thence, from there, thenceforth, since'
(ONP þaðan, þeðan (adv.))
Other Scandinavian Reflexes
Icel þaðan, Norw deden, ODan thæthan, Dan deden, OSw þaþan, þæþan, Sw dädan, dän
Phonological and morphological markers
[dissimilation of ON */nan/ > /ðan/] (may not be applicable)
First attested in Orrm, and most frequently in N/EM texts (see also the shortened form at MED s.v. thīne).
Occurrences in the Gersum Corpus
WA 1068, 1076, 5131 etc.
The D MS of WA has the shortened form <þine> at 1068; for further examples see MED s.v. thīne (adv.).