καταποντισθῇ [1 verse](verb 3rd sg aor subj pass) "He were drowned" is katapontizo, which means "to be thrown in the sea," "to plunge into the sea," "to sink into the sea," and "to drown." The first word, kata, means "downward."  - "He were drowned" is from a verb which means "to be thrown in the sea," and "to drown," but the prefix on it means "downward," so the sense is "down in the sea."