1. frugiferens — de Vaan
frugiferens 'fruitful' (Lucn), frugiparus 'giving birth to fruits' (Lucr,). Pit. pr. *friig-je/o-y root noun *friig-. It. cognates: U. frif, fri [acc.pl.] 'fruits' < *bhrug~; O. fruktatiuf [nom.sg.] 'usufruct' < *frugtati6n- built to *frug-i-td- < *bhrug-ito-, ppp. of *bhrtig~io- 'to use'. fucus PIE pr. *bhruHg-ie/o- 'to use', IE cognates: Go, brukfan, pret bruhta, OE brUcan, OHG bruhhan, OS briikan 'to use', Go, … — [de Vaan, s.v. frugiferens, p. 258]