snā- / Indo-European roots
Examples of words with the root snā-: chersonese, natant, natation, natatorial, nekton, supernatant.
To swim.Oldest form *sneh2-, colored to *snah2-, becoming *snā-.
1. Extended form *snāgh-. nekton from Greek nēkhein, to swim.
2. Suffixed zero-grade form *(s)nə-to-. natant, natation, natatorial, natatorium; supernatant from Latin nāre, to swim, and frequentative natāre, to swim.
3. chersonese from Greek nēsos, island, attributed by some to this root (but more likely obscure).
[Pokorny snā- 971.]