Where does “ultrassom” come from?

ultrassom (Portuguese) comes from Portuguese som, from Old Portuguese son, from Latin sunt, from Latin sum, from Proto-Italic ezom, from Proto-Indo-European h₁ésmi, from Proto-Indo-European h₁ēs- — to be.

ultrassom (Portuguese): ultrasound

Definitions

ultrasound

Ancestry of “ultrassom”, step by step

Step	Language	Word	Meaning
1	Portuguese	som	sound
2	Old Portuguese	son	—
3	Latin	sunt	third-person plural present active indicative of...
4	Latin	sum	to be, exist, have; to be there; to go
5	Proto-Italic	ezom	to be
6	Proto-Indo-European	h₁ésmi	first-person singular present indicative of...
7	Proto-Indo-European	h₁ēs-	to be

Words derived from “ultrassom”

ultrassónico
ultrassônico

Every word from Proto-Indo-European h₁ēs- →Every word from Proto-Indo-European h₁ésmi →Every word from Proto-Italic ezom →