Proto-IE: *snā-
Meaning: to swim
Tokharian: B nāsk- 'swim, bathe' (Adams 334)
Old Indian: snā́ti, snāyate `to bathe', ptc. snātá-, caus. snāpáyati, snapáyati; snápana- n. `bathing, ablution'
Avestan: snayeitē `wäscht, reinigt durch Spülen', ptc. snāta-; prs. snāδayǝn
Armenian: nay `nass, flüsig'
Old Greek: nǟ́khō, -omai̯ `schwimmen'; ? nǟ̂so-s f. (rhod. nāssos) `Insel'
Latin: nō, nāre, nāvī `schwimmen', natāre `schwimmen'
Other Italic: Umbr snata (snatu) `ūmecta', asnata `nōn ūmecta'
Celtic: *snā= > OIr snām `das Schwimmen', MIr snāim `ich schwimme, krieche'; Cymr nawf `das Schwimmen', Bret neun̄vi `schwimmen'
Russ. meaning: плавать
