rubus

Etymology
From the genus name, from.

Noun

 * 1)  Any of the genus  of flowering plants, including the raspberry and blackberry.

Etymology
From, from (compare dialectal 🇨🇬, , 🇨🇬, 🇨🇬, 🇨🇬). See rose.

Noun

 * 1) bramble, blackberry bush
 * Apparuitque ei Dominus in flamma ignis de medio rubi et videbat quod rubus arderet et non conbureretur (Exodus 3:2, Vulgate)
 * 1) a blackberry (fruit), raspberry (fruit)

Declension
Sometimes treated as a feminine noun, but still