Nobody really. Just like any other word in any language, a concept becomes crystallised into a term describing it.
A caveperson somewhere probably said the equivalent of "What a good idea !!".
invention
invention
invention
What invention was invented in 300 bc
Yes it was invented in Boston
1678
an invention
Vegetarians are not an invention.
the microscope
it is infact an invention, invented by dr martin cooper.
Stephen speckhart invented the pill capsules but his invention was stolen until he finally got credit for(his) invention
Levi Strauss invented belt loops. He made this invention in the year of 1933. It was considered to be a turn of the century invention.