Proto-West Germanic *flītan

→ English flite (inherited)

→ Old English flitan (inherited)

→ Welsh llwydd (cognate)

→ German Fleiß (inherited)

→ German fleißen (inherited)

→ Middle Dutch vliten (inherited)

→ Dutch vlijt (cognate)

→ Old Dutch flitan (inherited)

→ Old Saxon flitan (inherited)