mermaiden
Etymology
From Middle English meremaiden (“mermaid”), from mere (“mere, sea”) + maiden (“maiden”), equivalent to mer- + maiden. Compare Old English meremennen (“mermaid, siren”). More at mere, maiden.
noun
- A mermaid; a maiden of the sea; a siren.“The Neck here his harp in the glass-castle plays, And Mermaidens comb out their green hair always, And bleach here their shining white clothes.”