Where does “pert” come from?

pert (Welsh) comes from Middle English pert, from English apert, from Middle English apert, from Old French apert, from Latin apertus, from Latin aperiō, from Proto-Indo-European h₂epó — off, away.

pert (Welsh): pretty, attractive; quaint

Definitions

pretty, attractive; quaint

Ancestry of “pert”, step by step

Step	Language	Word	Meaning
1	Middle English	pert	—
2	English	apert	open; uncovered; revealed
3	Middle English	apert	—
4	Old French	apert	—
5	Latin	apertus	opened, open, free; public; having been opened;...
6	Latin	aperiō	to uncover, make or lay bare, reveal, clear
7	Proto-Indo-European	h₂epó	off, away

Every word from Proto-Indo-European h₂epó →Every word from Latin aperiō →Every word from Latin apertus →