The origin of the name itself is thought to be Norse.

The origin of the word is thought to date to around 1745-1755.

The origin of the family is thought to have been in Asia.

The origin of the family is thought to have been in southern Asia, which still has the most species.

The origin of this game is thought to be Ireland.

The origin of the community is thought to be from the linen industry in the 19th century.

The origin of the community is thought to be from the coal-mining industry.

The origin of the name is thought to be Norman, but the details are disputed.

The origin of the name is thought to be descriptive of the area.

The origin of these term was thought to be African.