Old French iluec.
illec
- here (in this place)
1488, Jean Dupré, Lancelot du Lac, page 12:Or me dictes fist Lancelot, des lettres qui illec sont escriptes, savez vous qui les y fist mettre- Now tell me, said Lancelot, about these letters that are written here, do you know who put them here?
illec
- Alternative form of iluec