Why is the letter “y” in Spanish called “igriega” – Reddit

Yes, just because the ‘y’ in Latin was only used to write Greek words. The letters ‘v’, ‘u’, and ‘y’ all have the same origin. Originally, the Romans used ‘v’ to write their ‘u’ sound, but Greek culture and language had a great influence on the Romans, therefore, they introduced the ‘y’ just to be able to write the Greek sound υ that was like the French u.

https://www.reddit.com/r/Spanish/comments/18wa00c/why_is_the_letter_y_in_spanish_called_igriega/