pegar
/peˈɡaɾ/ · A2 · verb
to go with
🩹 pegar = peg it on: what you peg stays stuck, and so it fits
From Latin picare, to smear with pitch (pix), the original glue. Pitch makes things stick; things that stick together go together, so they match. The sun that pega is one that sticks to your skin.