undecim

Alternative forms

 * Symbol: XI

Etymology
From earlier, from , corresponding to +.

Numeral

 * 1)  eleven; 11

Descendants
Some forms reflect *ŭndecim.
 * Dalmatian:
 * Italo-Romance:
 * Padanian:
 * Gallo-Romance:
 * Occitano-Romance:
 * Old :
 * Ibero-Romance:
 * Insular Romance:
 * Gallo-Romance:
 * Occitano-Romance:
 * Old :
 * Ibero-Romance:
 * Insular Romance:
 * Gallo-Romance:
 * Occitano-Romance:
 * Old :
 * Ibero-Romance:
 * Insular Romance:
 * Occitano-Romance:
 * Old :
 * Ibero-Romance:
 * Insular Romance:
 * Ibero-Romance:
 * Insular Romance:
 * Ibero-Romance:
 * Insular Romance:
 * Insular Romance:
 * Insular Romance:
 * Insular Romance:
 * Insular Romance: