señal
/seˈɲal/ · A2 · noun · f
sign
🚦 señal = signal with ñ: both from Latin signum, a mark
Latin signalis (from signum, mark) gave English signal and Spanish señal; Latin gn became ñ, as in lignum → leño. Same root as seña (gesture) and enseñar (to teach, i.e. to point out with signs).