Where does “sinal” come from?

sinal (Portuguese) comes from Old Portuguese synal, from Polish syn, from Old Polish syn, from Proto-Slavic synъ, from Proto-Balto-Slavic sū́ˀnus, from Proto-Indo-European *suhnús.

sinal (Portuguese): sign; mark; trace; signal; deposit; down payment

Definitions

  1. sign; mark; trace; signal; deposit; down payment

Ancestry of “sinal”, step by step

sinal traces back through two separate lines of ancestry.

via Old Portuguese synal

StepLanguageWordMeaning
1Old Portuguesesynal—
2Polishsynson
3Old Polishsynson
4Proto-Slavicsynъson
5Proto-Balto-Slavicsū́ˀnusson
6Proto-Indo-European*suhnús—

via Old Portuguese sinal

StepLanguageWordMeaning
1Old Portuguesesinal—
2Late Latinsignalis—
3Latinsignumvisible indication: sign, mark, signal; seal,...
4Proto-Italicseknomsign
5Proto-Indo-Europeansek-to cut, cut off, sever
Every word from Proto-Indo-European *suhnús →Every word from Proto-Balto-Slavic sū́ˀnus →Every word from Proto-Slavic synъ →