When does the diphthong υι occur in Greek, and when it is pronounced as [yː]?

1. How is the Greek diphthong ΑΙ pronounced?
2. What sound does ᾳ make?
3. What is the diphthong of Greek?
4. How is C pronounced in Ancient Greek?

How is the Greek diphthong ΑΙ pronounced?

Pronounced “e” as in “test” are: ε, αι.

What sound does ᾳ make?

αι sounds exactly like ε, as in the word “egg.” ει, οι, and υι sound exactly like η, ι, υ, as in the word “teeth.” ου sounds like οο, as in the word “school.”

What is the diphthong of Greek?

A dipthong is a combination of two vowel sounds in a single syllable. The Dipthongs are αι, αυ, ει, ευ, οι, ου, ηυ, υι, ᾳ, ῃ, ῳ. The last three, formed by writing ι under ᾱ, η, ω, are called improper diphthongs.

How is C pronounced in Ancient Greek?

"C" is pronounced soft (like "s") before "e" and "i" sounds, otherwise it's pronounced hard (like "k"). (This is quite unhistorical; in ancient times all "c"s were hard, but we are used to pronouncing "Caesar," "Circe," etc. with a soft "c.")