Where does “Tinga” come from?

Tinga (Dutch) comes from Old Frisian in, from Proto-Germanic in, from Proto-Indo-European én — in.

Ancestry of “Tinga”, step by step

Tinga traces back through two separate lines of ancestry.

via Old Frisian in

StepLanguageWordMeaning
1Old Frisianin
2Proto-Germanicinin; into
3Proto-Indo-Europeanénin

via Old Frisian hit

StepLanguageWordMeaning
1Old Frisianhitit
2Proto-Germanichitnominative/accusative singular neuter of *hiz
3Proto-Indo-Europeanḱe-demonstrative particle; here; this, here
Every word from Proto-Indo-European énEvery word from Proto-Germanic inEvery word from Old Frisian in