Where does “ostosignaali” come from?

ostosignaali (Finnish) comes from Finnish signaali, from Medieval Latin signale, from Latin signālis, from Latin signum, from Proto-Italic seknom, from Proto-Indo-European sek- — to cut, cut off, sever.

ostosignaali (Finnish): buying signal

Definitions

buying signal

Ancestry of “ostosignaali”, step by step

ostosignaali traces back through two separate lines of ancestry.

via Finnish signaali

Step	Language	Word	Meaning
1	Finnish	signaali	signal
2	Medieval Latin	signale	signal
3	Latin	signālis	—
4	Latin	signum	visible indication: sign, mark, signal; seal,...
5	Proto-Italic	seknom	sign
6	Proto-Indo-European	sek-	to cut, cut off, sever

via Finnish osto

Step	Language	Word	Meaning
1	Finnish	osto	purchase
2	Finnish	ostaa	To buy, purchase
3	Proto-Finnic	ostadak	to buy
4	Proto-Uralic	-ta-	Forms verbs from nouns; Forms causative verbs...

Every word from Proto-Indo-European sek- →Every word from Proto-Italic seknom →Every word from Latin signum →