Romanian Ilfov

← Bulgarian Елхово (cognate)

← Proto-Slavic *elьxovo (borrowed)

← Proto-Slavic *elьxa (compound)

← Proto-Slavic *-ovo (compound)

→ Romanian ilfovean (suffix)

→ Romanian Ilfoveni (affix)

→ Romanian Dărăști-Ilfov (mention)

→ Romanian Ilfoveanu (affix)