Where does “tecla” come from?

tecla (Portuguese) comes from Medieval Latin thēcula, from Latin thēca, from Ancient Greek θήκη, from Ancient Greek τίθημι, from Proto-Indo-European dʰeh₁- — to do, put, place.

tecla (Portuguese): key

Definitions

Ancestry of “tecla”, step by step

Step	Language	Word	Meaning
1	Medieval Latin	thēcula	—
2	Latin	thēca	a case, envelope, sheath
3	Ancient Greek	θήκη	box, chest; grave, tomb; sword sheath
4	Ancient Greek	τίθημι	I put, place, set; I make, cause to be; I make
5	Proto-Indo-European	dʰeh₁-	to do, put, place

Words derived from “tecla”

teclar
teclado

Every word from Proto-Indo-European dʰeh₁- →Every word from Ancient Greek τίθημι →Every word from Ancient Greek θήκη →