Where does “кобра” come from?

кобра (Russian) comes from Portuguese cobra, from Old Portuguese coobra, from Vulgar Latin colobra, from Latin colubra, from Latin -a, from Proto-Italic -ā, from Proto-Indo-European -éh₂.

кобра (Russian): cobra

Definitions

cobra

Ancestry of “кобра”, step by step

Step	Language	Word	Meaning
1	Portuguese	cobra	snake
2	Old Portuguese	coobra	snake
3	Vulgar Latin	colobra	—
4	Latin	colubra	a female snake, serpent; snake, serpent
5	Latin	-a	suffixed to the roots of verbs, forms agent...
6	Proto-Italic	-ā	Forms masculine agent nouns from prefixed or compounded bases
7	Proto-Indo-European	-éh₂	—

Words derived from “кобра”

плюющая индийская кобра
кобровый
кобра

Every word from Proto-Indo-European -éh₂ →Every word from Latin -a →Every word from Latin colubra →