How to Spell between
between
between - preposition
- By the common action of : jointly engaging
- In common to : shared by
- In the time, space, or interval that separates
- In intermediate relation to
Source: Merriam-Webster Dictionary API
"shared the work between the two of them"
Etymology
Middle English betwene, preposition & adverb, from Old English betwēonum, from be- + -twēonum (dative plural) (akin to Goth tweihnai two each); akin to Old English twā two