Old English flōr

→ English floor (inherited)

→ Old English florstan (link)

→ German Flur (cognate)

→ Middle English flor (inherited)

→ Middle English flour (inherited)

→ Middle English flur (inherited)

→ Middle English floring (cognate)

→ Irish lár (cognate)

→ Scots flair (inherited)

→ Old Irish lár (cognate)