gnomonice
Could not find gnomonicen in Logeion dictionaries.
gnomonicen Noun: feminine accusative singular of gnomonice
gnōmŏnĭcē, ēs, Vitr. Arch. 1, 3 ; Plin. 2, 187, et -nĭca, æ, f. , Gell. 1, 9, 6, gnomonique [construction des cadrans solaires].