Where does “tussicula” come from?

tussicula (English) comes from English tussis, from Latin tussis, from Proto-Italic tussis, from Proto-Indo-European tud-ti-s, from Proto-Indo-European (s)tewd-, from Proto-Indo-European stew- — to praise, laud.

tussicula (English): A slight cough, less powerful than a tussis

Definitions

A slight cough, less powerful than a tussis

Ancestry of “tussicula”, step by step

tussicula traces back through two separate lines of ancestry.

via English tussis

Step	Language	Word	Meaning
1	English	tussis	A cough
2	Latin	tussis	cough
3	Proto-Italic	tussis	—
4	Proto-Indo-European	tud-ti-s	cough
5	Proto-Indo-European	(s)tewd-	to push, to hit
6	Proto-Indo-European	stew-	to praise, laud

via Latin tussicula

Step	Language	Word	Meaning
1	Latin	tussicula	little cough
2	Latin	-culus	Alternative form of -ulus; added to a noun to...
3	Proto-Italic	*-kelos	Diminutive suffix

Every word from Proto-Indo-European stew- →Every word from Proto-Indo-European (s)tewd- →Every word from Proto-Indo-European tud-ti-s →