Montar
Montar is a verb found in Spanish and Portuguese with several closely related senses that center on putting together, rising onto, or setting up something. The etymology traces to Latin montāre, linked to the idea of mounting or ascending onto a support or stage.
In both languages, the core meanings include assembling or constructing something from parts, such as montar
In technical contexts, montar can mean to mount or attach something to a base or to mount
In Portuguese and Spanish, many senses overlap, but regional usage varies. Common examples include montar un