English
interstrand
From inter- + strand.
Proto-Indo-European *h₁én ‘in’
Proto-Indo-European *h₁entér ‘between’
Proto-Italic *n̥ter ‘between’
Latin inter ‘between’
English inter-
Proto-Indo-European *sterh₃- ‘to broaden, spread out’
…
Proto-Germanic *strandō ‘edge, rim, shore’
Proto-West Germanic *strand
Old English strand ‘strand, sea-shore, shore’
Middle English strand
English strand
Today it means
adj Between strands.
Language periods are conventional ranges, not dates for this word.
Etymograph / interstrand