-τις
See also:
τις
,
τίς
,
-τίς
,
and
-tis
Ancient Greek
Suffix
-τις
• (
-tis
)
Earlier form of
-σις
(
-sis
)
, retained after dentals
δ, θ, σ, τ
*πιθ-τις
>
πῐ́στῐς
(
pĭ́stĭs
)