Consonants with Iota

56. After a consonant ι often causes changes.

a. λι becomes λλ: ἄλλος, Latin alius.

b. After ν or ρ, ι is transposed and contracts with the stem vowel.

c. κι, γι, or χι, sometimes τι, becomes σσ, later ττ.

d. δι, sometimes γι (also γγι), becomes ζ.