Sícan
Bosworth & Toller Anglo-Saxon Old English Dictionary - sícan
According to the Old English Dictionary:
sýcan;
- sícan
- p. te To cause to suck, to suckle, give suck:-- Ðú sýcst hálgum breóste lactas sacrato ubere, Hymn. Surt. 75, 43. Ða breóst ðe ne síctun (sýctun, MS. A.) ubera quae non lactauenmt, Lk. Skt. 23, 29.