mīlĭfŏlĭum — Lewis & Short
mīlĭfŏlĭum and millefŏlĭum, ii, n.mille-folium,
myriophyllus, quod nostri milifolium vocant, caulis est tener, similis feniculi,Plin. 24, 16, 95, § 152 Jan. (al. millefolium);
used in medicine,id. 24, 19, 116, § 176 al.—Form millefolium, Plin. 25, 5, 19, § 42 Jan. (al. millefolia).