Ge-súpan

According to the Old English Dictionary:

ge-súpan

p. -seáp, pl. -supon; pp. -sopen To sup, sip, suck up, absorb; absorbēre :-- Wén is ðæt hí us woldan wætre gelíce sóna gesúpan forsĭtan vĕlut aqua absorbuissent nos, Ps. Th. 123, 3. ge-supan