aislar
/aisˈlaɾ/ · B2 · verb
to isolate, to insulate, to sequester, to separate, to quarantine
🏝️ aislar = a + isla (island): to make something an island
Isla is Spanish for island, so aislar means to cut something off like an island. English insulate and isolate come from the same Latin word, insula (island), so the two meanings line up.