The word 'porcelain' derives from the Italian for 'pig's vagina' (due to the perceived resemblance of the porcelain shell to the aforementioned porcine nether regions).

As in the French verb "to fart", from whence comes our expression "peters out". Sorry to any Peters out there.

I'll tell you tomorrow.........

which I had not the other day, means a "sealed" stew and has the same root as Kleptomania! Possible as it's linked to the "Klephts" brigands/freedomfighters who use to cook the stew in hole in ground in their mountain fastness.

Re the applicator issue, see also the French 'tampion' - a stopper for the barrel of a gun or cannon; but probably not Tampere which is known as Finland's Manchester ... although now I come to think of it ...

Oh, and "phony" comes from 'fawney' which was slang amongst the non-Word reading underclasses of yesteryear for a painted gold ring as opposed to a real gold ring.

Will this do?

From the French for a cauldron or large vessel. Marmiter is the French verb 'to bombard'. Not sure if this is because cannon balls were cast in large vessels or because the vessels were cast? Any other evidence?

From a type of French clog, a sabot; which the French equivalent of Luddites would throw into the new machinery to, errm ... sabotage it.

...a completely new word to me - meaning compassion / mercy - derived from the older word 'alms'. Which seeing that I've worked for the charity sector for the last 20 years is a tad embarrassing.

I suppose all of these derivations seemed straightforward when the words were coined. It seems obvious to us now why the name for a hooded coat derived from an Eskimo (or is it Inuit) word is applied to the kind of person who goes onto a website to, er, discuss the usage of the word anorak. Maybe in a hundred years time it will appear a strange connection.

Unwanted paper, leaflets, pamphlets, etc.
Comes from the Tudor expression 'bum fodder' meaning the scrap paper fit only for wiping one's arse. In pre-bog roll England it was an important resource!

...originated from the Sanskrit "vatin-ganah" or "anti-fart vegetable"

Bungalow - How to finish a small house? - bung-a-low roof on it.

NB One of these isn't strictly correct. Back to Frank Muir...

have a couple of crackers.

Their word for 'quick' is bistro - so named because the French-loving Russians discovered quick food in the so-named variety of cafes.

The Russian word for dumb is nemyets. The Russian word for German is nemyetski - Russians didn't think much of their Teutonic near-neighbours!

Finally - my favourite - in the 19th century, Russian engineers came over to London to see how the railways worked. They pitched up, of all places, at Vauxhall.

Thus the Russian word for railway station is now: vokzal!

It seems there was this fox that tried to get grapes from a tree but they were too high and he couldn't reach them. He eventually gave up and walked off muttering,"They're probably sour anyway"

...they would catch you (and pin you to the floor with) with a fearsome tool that looks like a serrated pitchfork. I saw one labelled "amok catcher" in a Kuala Lumpar museum and had an "aha! That's where the word came from" moment.

We also aquired the word "Ketchup" from Malaysia, though originally it referred to a type of fermented fish sauce.