Old Church Slavonic трѣба

← Old Church Slavonic трьпѣти (mention)

← Proto-Germanic *þerb- (derived)

← Gothic 𐌸𐌰𐍂𐌱𐌰 (cognate)

← Gothic 𐌸𐌰𐌿𐍂𐌱𐌰𐌽 (mention)

← Gothic 𐌸𐌰𐌿𐍂𐍆𐍄𐍃 (mention)

← Proto-Slavic *terba (inherited)

→ Old Church Slavonic трѣбьникъ (suffix)

→ Old Church Slavonic трѣбище (suffix)

→ Old Church Slavonic трѣбити (suffix)

→ Old Church Slavonic нетрѣбивъ (link)

→ Romanian treabă (cognate)

→ Romanian trebnic (suffix)

→ Russian треба (borrowed)