A-súcan
Bosworth & Toller Anglo-Saxon Old English Dictionary - a-súcan
According to the Old English Dictionary:
-súgan;
- a-súcan
- p. -seác, -seág, pl. -sucon, -sugon; pp. -socen, -sogen To suck; sugere :-- Asogen wǽre sugeretur, Cot. 193. Sina beóþ asocene [Exon. asogene] the sinews shall be sucked, Soul Kmbl. 217; Exon. 99 b ; Th. 373, 19; Seel. 111.