Where does “kettőshangzó” come from?

kettőshangzó (Hungarian) comes from Hungarian hangzó, from Hungarian hangzik, from Hungarian -zik, from Hungarian -z, from Proto-Uralic -ta- — Forms verbs from nouns; Forms causative verbs...

kettőshangzó (Hungarian): diphthong

Definitions

diphthong

Ancestry of “kettőshangzó”, step by step

kettőshangzó traces back through two separate lines of ancestry.

via Hungarian hangzó

Step	Language	Word	Meaning
1	Hungarian	hangzó	present participle of hangzik; sounding; vowel
2	Hungarian	hangzik	to sound
3	Hungarian	-zik	Appended to a noun to form a verb
4	Hungarian	-z	Appended to a noun to form a verb
5	Proto-Uralic	-ta-	Forms verbs from nouns; Forms causative verbs...

via Hungarian kettős

Step	Language	Word	Meaning
1	Hungarian	kettős	double, dual; dual; duet, duo
2	Hungarian	kettő	two
3	Hungarian	két	two; doubt
4	Proto-Uralic	käktä	Alternative form of *kakta
5	Proto-Uralic	kakta	two

Words derived from “kettőshangzó”

kettőshangzók

Every word from Proto-Uralic -ta- →Every word from Hungarian -z →Every word from Hungarian -zik →