Where does “iscada” come from?

iscada (Macanese) comes from Portuguese escada, from Old Portuguese escaada, from Vulgar Latin scalata, from Latin scāla, from Latin scandere, from Latin scandō, from Proto-Indo-European sḱend- — to jump up, ascend.

iscada (Macanese): staircase

Definitions

staircase

Ancestry of “iscada”, step by step

Step	Language	Word	Meaning
1	Portuguese	escada	ladder; stairs
2	Old Portuguese	escaada	—
3	Vulgar Latin	scalata	—
4	Latin	scāla	ladder
5	Latin	scandere	third-person plural perfect active indicative of...
6	Latin	scandō	to climb, ascend, mount
7	Proto-Indo-European	sḱend-	to jump up, ascend

Every word from Proto-Indo-European sḱend- →Every word from Latin scandō →Every word from Latin scandere →