rollerblade

English Wikipedia has an article on:

inline skates

Wikipedia

• roller-blade
• roller blade

From Rollerblade, a trademark for a brand of inline skates, from roller +‎ blade.

rollerblade (plural rollerblades)

1. A roller skate with all wheels aligned in a single row along the sole, resembling an ice skate.

• in-line skate, inline skate

rollerblade (third-person singular simple present rollerblades, present participle rollerblading, simple past and past participle rollerbladed)

1. (transitive, intransitive) To roller skate using rollerblades.

• rollerblader

Unadapted borrowing from English rollerblade.

rollerblade m (plural rollerblades)

1. rollerblade (roller skate with wheels aligned in a row)