According to the Oxford English Dictionary lanyer / lannier are dialectical variants of lanyard.
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Also:
lanˇyard
/ˈlanyərd/
noun:
lanyard; plural noun:
lanyards; noun:
laniard; plural noun:
laniards
- a rope threaded through a pair of deadeyes, used to adjust the tension in the rigging of a sailing vessel.
- a cord passed around the neck, shoulder, or wrist for holding a knife, whistle, or similar object.
Origin
Late Middle English
lanyer, in the general sense ‘a short length of rope for securing something’, from Old French
laniere . The change in the ending in the 17th century was due to association with yard.