Where does “signal” come from?

Signal comes from Old French segnal, from Latin signum meaning "sign or mark," ultimately from Proto-Indo-European sek- meaning "to cut or mark."

signal (English): A sequence of states representing an encoded...

Definitions

  1. A sequence of states representing an encoded...

Ancestry of “signal”, step by step

StepLanguageWordMeaning
1Old Frenchsegnalemblem; badge; signature; distinguishing mark...
2Medieval Latinsignalesignal
3Latinsignālis
4Latinsignumvisible indication: sign, mark, signal; seal,...
5Proto-Italicseknomsign
6Proto-Indo-Europeansek-to cut, cut off, sever

Words derived from “signal

Every word from Proto-Indo-European sek-Every word from Proto-Italic seknomEvery word from Latin signum
signal — Etymology, Origin & Word History | Etymology Explorer