Where does “сигнальный” come from?

сигнальный (Russian) comes from Russian сигна́л, from Medieval Latin signale, from Latin signālis, from Latin signum, from Proto-Italic seknom, from Proto-Indo-European sek- — to cut, cut off, sever.

сигнальный (Russian): signal

Definitions

  1. signal

Ancestry of “сигнальный”, step by step

StepLanguageWordMeaning
1Russianсигна́лsignal
2Medieval Latinsignalesignal
3Latinsignālis—
4Latinsignumvisible indication: sign, mark, signal; seal,...
5Proto-Italicseknomsign
6Proto-Indo-Europeansek-to cut, cut off, sever
Every word from Proto-Indo-European sek- →Every word from Proto-Italic seknom →Every word from Latin signum →