onto
on-to · preposition
Definitions
preposition
- 1.
Moving to a position on the surface of something.
- 2.
Used to show movement toward a particular place.
- 3.
Aware of or in contact with.
Related words
Etymology
A compound of on + to, formed in English to express movement toward a position on a surface, as distinct from on which indicates static position. The compound became standard in the 18th century.