Where does “intensive” come from?

intensive (Italian) comes from Italian intensivo, from Medieval Latin intensivus, from Latin intendere, from Latin intendo, from Latin in-, from Latin in, from Old Latin en, from Proto-Italic en — in.

intensive (Italian): feminine plural of intensivo

Definitions

  1. feminine plural of intensivo

Ancestry of “intensive”, step by step

StepLanguageWordMeaning
1Italianintensivointensive
2Medieval Latinintensivusintensive
3Latinintenderethird-person plural perfect active indicative of...
4LatinintendoI stretch out; I strain; I turn my attention to,...
5Latinin-un-, non-, not; in, within, inside
6Latininin, at, on, upon, from; within, while in; into,...
7Old Latinenin
8Proto-Italicenin
9Proto-Indo-Europeanh₁énin
Every word from Proto-Indo-European h₁énEvery word from Proto-Italic enEvery word from Latin in-