βύθιση

From βυθίζω (vythízo) +‎ -ση (-si).

βύθιση • (výthisi) f (plural βυθίσεις)

1. (maritime) sinking
2. falling, dipping
3. running into, bumping into
4. dip (gymnastic or bodybuilding exercise on parallel bars in which the performer, resting on his hands, lets his arms bend and his body sink, and then raises himself back by straightening his arms)

Older or formal genitive singular: βυθίσεως (vythíseos)

• βύθιση, in Λεξικό της κοινής νεοελληνικής [Dictionary of Standard Modern Greek], Triantafyllidis Foundation, 1998 at the Centre for the Greek language