Where does “kérdő névmás” come from?

kérdő névmás (Hungarian) comes from Hungarian névmás, from Latin prōnōmen, from Latin nōmen, from Latin est, from Proto-Indo-European h₁ésti, from Proto-Indo-European h₁es- — to be.

kérdő névmás (Hungarian): interrogative pronoun a pronoun used in a question

Definitions

interrogative pronoun a pronoun used in a question

Ancestry of “kérdő névmás”, step by step

kérdő névmás traces back through two separate lines of ancestry.

via Hungarian névmás

Step	Language	Word	Meaning
1	Hungarian	névmás	pronoun
2	Latin	prōnōmen	pronoun
3	Latin	nōmen	name
4	Latin	est	third-person singular present active indicative...
5	Proto-Indo-European	h₁ésti	to be
6	Proto-Indo-European	h₁es-	to be

via Hungarian kérdő

Step	Language	Word	Meaning
1	Hungarian	kérdő	present participle of kérd; questioning;...
2	Hungarian	kérd	to ask, question; second-person singular...
3	Hungarian	-d	your; Used in the second-person singular definite...
4	Middle Welsh	-nt	3rd person plural verb ending

Every word from Proto-Indo-European h₁es- →Every word from Proto-Indo-European h₁ésti →Every word from Latin est →