Archaic or poetic form meaning calm, peaceful, or serene; characterized by calm.
From 'calm' plus the adjectival suffix '-y', creating an older variant form. This formation was productive in Middle English but fell out of favor for the simpler 'calm'.
'Calmy' appears in older poetry and texts as a charming variant, like 'dreamy' or 'creamy,' but it never caught on—language tends to prefer shorter adjectives, so 'calm' simply beat out 'calmy' in the competition for speakers' attention.
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