A noun translated “assent” (SD/247). The second element of this word is probably bêth “word” as suggested by several authors (AAD/22, EotAL/BITH). It isn’t clear what the first element means.
Conceptual Development: In the draft versions of the Lament of Akallabêth, the form of this word was sōbēth (SD/311).
A noun translated “sweetheart, beloved” and fully declined as an example of a weak II feminine-noun (SD/438).