Etymologically, it comes from the prefix a- and the root -breast. Normally a compound word is composed of two roots (e.g. woodwork, bookmark, etc.), so technically "abreast" isn't compound.
Upwards is a compound word.
Upstairs is a compound word, so it is one word.
A non compound word is , a word with one word not two . For a example a compound word is snowflake. An non compound is hot cheetos.
No, the word ability is not a compound word.
No. The word fast is not a compound word.
abreast - side by side The parade had six drummers marching abreast.
The origin of abreast is late Middle English: from A- 'in' + breast.
Together
Another way to say is" to be abreast of"
No, building is not a compound word.
Being abreast means being side by side.
draw abreast = gleichziehen
The contraction (not a compound word) is doesn't.
Upwards is a compound word.
There is no compound word.A compound word is a word like bus-stop.Husban is spelt like this husband
Upstairs is a compound word, so it is one word.
Mango is not a compound word.