bajar
/baˈxaɾ/ · A1 · verb
to go down, come down
🪜 bajar = bajo (low) + -ar: to make yourself low, to go down
Bajar is the verb built from bajo, meaning low or short, from Late Latin bassus (the same root as English bass and base). Add the verb ending -ar and you get to go low: descend, come down, get off a bus or train.