1. faenisicia — de Vaan
faenisicia "the mowing' (Cato+); faeniculum 'fenneF (PL+). Pit. *feno- [nj. PIE *d h eh r no-'yield'. Because of an inscriptional form foenisicei in 117 BC, TLL and Leumann 1977 assume ihzXfae- is the oldest spelling. If so, the etymology is unknown. Others, e.g. WH, assume ihztfae- is a hypercorrect spelling for original β-. In that case, we can reconstruct *β~ηο- < *dhehrno- 'the yield' to the roof *d h eh r . … — [de Vaan, s.v. faenisicia, p. 225]