carte
This might be just a supplemental entry adding to an entry in the Main Volume.
In the OE text, the length is:indicated by acute accentsindicated by macronsnot indicated.
carte
AddHé sum gewrit áwrát on cartan . . . Sum hrefen þá cartan genam . . . geseah hé þone hrefen þá cartan beran . . . hangode seó carte on þám hreóde. . . and hé sóna féng tó þǽre cartan, Guth. 48, 22-50, 18. Hé sceáwode þá cartan and clypode tó ðám wífe: 'Þeós carte is ádílegod,' Hml. S. 3, 659. Heó ealle hyre mánlican dǽda áwrát on ánre cartan and beworhte mid leádé, . . . þá genam se biscop þá cartan, 532. Ic oncnáwe þás cartan; þis ic sylf áwrát, 456. Cartena, gewrita scedarum, An. Ox. 2308. Kærtena, 7, 142: 8, 117.
This is a supplementary entry with editorial changes to an entry in the main volume of the dictionary. Look under the 'Possibly connected entries' below, or for the same headword in the list to the left.

A Combined List of Abbreviations.

Abbreviation not recognized. See:

A Combined List of Abbreviations.