pensive > apprehensive, anxious
2 Great woe and sorrow did her soul assay,
assay > assault; test, make trial of
3 As weening that the sad end of the war,
weening > supposing that > [that sight]
4 And gan to highest God entirely pray,
gan > did entirely > unreservedly; or: inwardly (cf. e.g. 408.23:9)
5 That feared chance from her to turn away; 6 With folded hands, and knees full lowly bent,
full > very
7 All night she watched, nor once adown would lay