Former head of Unilever plugs Lynx no longer (5)

I haven't cracked this one yet — but the brilliant team at Times for the Times have:

This is Yoda speak of ONCE around U. Puzzling a little over the definition, the following is from Wiki as an example of false-splitting “Old French lonce (lynx) was taken for l’once thus giving rise to once (hence English ounce)”. Think napron and apron; newt and ewt. Seems likely.