3.3.90 यजयाचयतविच्छप्रच्छरक्षो नङ्
SV : यज-याच-यत-विच्छ-प्रच्छ-रक्षः (5/1) नङ्
AV: कृत्
Language meaning : नङ् is suffix to indicate doer or instrument

Literal Meaning
यज् join open
याच = join untill knot
यत् = join tumbi
विच्छ = waving inward repeat many
प्रच्छ = Reed repeat many
रक्षो = water/blood from aim
नङ् = pull outside