bitsum
nounUK /ˈbɪtsʌm/
US /ˈbɪtsəm/
A bitsum is a tiny piece of something, like a little bit.
She gave me a bitsum of her cookie to try.
OTHER MEANINGS
2. A small leftover amount of something.
There was just a bitsum of milk left in the bottle.
3. A tiny bite of food.
He ate a bitsum of bread before dinner.
4. A very small piece broken off from a bigger thing.
A bitsum of chalk fell on the floor.