Where does “Sternidae” come from?

Sternidae (Translingual) comes from Translingual Sterna, from New Latin sterna, from English Stern, from English tern, from Middle English terne, from Old French terne, from Latin ternas, from Latin terni.

Sternidae (Translingual): family in family Laridae}}

Definitions

family in family Laridae}}

Ancestry of “Sternidae”, step by step

Step	Language	Word	Meaning
1	Translingual	Sterna	genus, Sternula, and Thalasseus}}
2	New Latin	sterna	—
3	English	Stern	Having a hardness and severity of nature or manner
4	English	tern	Any of various sea birds of the family Sternidae...
5	Middle English	terne	—
6	Old French	terne	dull, dim
7	Latin	ternas	accusative feminine plural of terni
8	Latin	terni	three each; three at a time
9	Latin	ter	thrice
10	Latin	terr	—
11	Old Latin	tris	—
12	Proto-Italic	trēs	three
13	Proto-Indo-European	*tréyes	—

Every word from Proto-Indo-European *tréyes →Every word from Proto-Italic trēs →Every word from Old Latin tris →