Of relatively recent origin and uncertain etymology. It is first recorded in the 19th century. It may be a shortened form of Belinda, an adoption of Spanish linda ‘pretty’, or a Latinate derivative of any of various other Germanic female names ending in -lind meaning ‘weak, tender, soft’. It was popular in the 20th century, especially in the 1950s.
English: 1. from the Middle English female personal name Loveday, Old English Lēofdæg, composed of the elements lēof ‘dear’, ‘beloved’ + dæg ‘day’. 2. nickname for someone who had some particular association with a ‘loveday’. According to medieval custom this was a day set aside for the reconciliation of enemies and amicable settlement of disputes.