Where does “intonation” come from?

Intonation comes from French intonation, derived from Medieval Latin intonatio, a noun formation from Latin in- and -tio, ultimately from Proto-Indo-European h₁én meaning "in."

intonation (English): The rise and fall of the voice in speaking; The...

Definitions

The rise and fall of the voice in speaking; The...

Ancestry of “intonation”, step by step

Step	Language	Word	Meaning
1	French	intonation	intonation (all senses)
2	Medieval Latin	intonatio	—
3	Latin	intono	I thunder
4	Latin	īn-	un-, non-, not
5	Latin	în	in, at, on, upon, from (space)
6	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
7	Proto-Italic	en	in
8	Proto-Indo-European	h₁én	in

Words derived from “intonation”

intonational
intonationally
イントネーション

Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Proto-Italic en →