techo
/ˈtet͡ʃo/ · A2 · noun · m
roof
🏠 From Latin tectum (cover): same root as protect and detect
Latin tectum became techo as ct shifted to ch in Spanish, the same change as noctem to noche and lactem to leche. To protect is to cover over; to detect is to uncover. Techo is the cover over a room or a house.