Tó-smeágan

According to the Old English Dictionary:

-smeán;

tó-smeágan

p. -smeáde To examine in detail, enquire into the several parts of a subject :-- Betwuh ðám þrím is swiþe micel tósceád. Gif wit ðæt ealle sculon ásmeágan (tósmeágan, Cote. MS. ), ðonne cume wit late to ende ðisse béc, oððe nǽfre, Bt. 42 ; Fox 256, 21. to-smeagan