Yesterday while listening to Blas, a cookery programme on Radio Cymru, I heard one of the contributors use the verb “chef-io” [ˈʃefɪɔ] in a sentence something like “Dw i wedi chef-io ers X flywyddyn” (I’ve been chefing for X years).
This struck me as quite a useful verbing of a noun and is also possible in English, though I’ve never heard this usage before. You could also say “Dw i wedi gweithio fel chef ers X flywyddyn” / “I’ve been working as a chef for X years”, but might be a bit too long-winded.
There are Welsh words for chef, by the way – pen-cogydd (head cook) and prif gogydd (main cook).
Another interesting verbing I heard recently was in a programme about mountain climbing in which the mountaineers talked about summiting, i.e. reaching the summit of the mountain. Have you heard this usage before, or other verbing like this.