Where does “infinitesimamente” come from?
infinitesimamente (Italian) comes from Italian infinitesimo, from Latin infinitesimus, from Latin īnfīnītus, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.
infinitesimamente (Italian): infinitesimally
Ancestry of “infinitesimamente”, step by step