Irish olann

← Breton gloan (cognate)

← Gaulish *wlanā (cognate)

← Proto-Celtic (inherited)

← Proto-Celtic *wlanā (mention)

← Welsh gwlân (cognate)

← Proto-Indo-European *h₂wĺ̥h₁neh₂ (inherited)

← Cornish gwlan (cognate)

← Old Irish olann (inherited)

→ Irish olanda (affix)

→ Norwegian Nynorsk ull (cognate)