Welsh pren

← Proto-Brythonic *prenn (inherited)

← Proto-Celtic *kʷresnom (inherited)

← Middle Welsh prenn (inherited)

→ Welsh prys (cognate)

→ Welsh cilbren (affix)

→ Welsh hwylbren (compound)

→ Welsh canhwyllbren (compound)

→ Welsh ceubren (compound)

→ Welsh ffigysbren (compound)

→ Old Irish crann (cognate)