Sceatt

The penny-gavel in Kent was once exacted in half-sceatts, as has been already pointed out, giving to the acre in Kent a value of five deniers.

Source: wiktionary

For if, according to the view of Schmid and others, the sceatt were to be taken as a farthing or quarter of a sceatt, the correspondence of Kentish with Continental wergelds and payments pro fredo would be altogether destroyed.

Source: wiktionary