If you mean "Leek" in the Dutch language, it is oedd yn ymddangos
If you mean "Leek" in the English Language, it is cennin .
Does this help ?
The Welsh Dragon, Leek and Daffodil are all symbols of Wales.
He is Welsh, the leek is the national emblem of Wales.
Welsh leeks may be larger or smaller than leeks grown elsewhere, but leeks are leeks.
Traditionally at the Battle of Heathfield [633] a Welsh army picked leeks from a field and wore them as a badge to distinguish themselves from their Saxon adversaries. The ordinary word for Leek and the ordinary word for Daffodil are the same in Welsh. So perhaps it was Daffodils - which look prettier.
Cenin Cymraeg
The Welsh Dragon, Leek and Daffodil are all symbols of Wales.
leek The Welsh have two national emblems, not counting the blood-red dragon - the leek and the daffodil. The daffodil is a relatively new addendum but the leek has been around for hundreds, if not thousands, of years
You spell on in Welsh as ar.
The national plant is the leek and national flower is the daffodil which both are very important to the Welsh on the first of March which is St David's day or in Welsh Dydd gwyl ddewi.The Welsh word for daffodil is 'cenhinen Bedr' and the word for leek is 'cenhinen'.
You spell purple in welsh like this:- PORFFOR
Daffodils is 'Cennin Pedr" in Welsh. However, when translated it actual means "Peters Leek"
sterling is the welsh currency although there are welsh pound coins (they have a leek inside a crown on) (or a dragon) but most people don't realise this