Either the plural of snow (frozen precipitation), or a verb meaning 'to fall as snow' or 'to cover with snow.'
From Old English 'snaw,' derived from Proto-Indo-European '*sneigwh-' meaning 'to snow.' The root is ancient and appears in many European languages with similar pronunciations.
Snow is one of the few weather phenomena with multiple verbs (snows, snowed, snowing) because different cultures experience it as an active force shaping daily life, not just weather.
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