From gadal (in the sense of twisting); thread, i.e. A tassel or festoon -- fringe, wreath.
see HEBREW gadal
H1434. gedil
גְּדִלִים noun [masculine] plural twisted threads (Late Hebrew גְּדִיל, Babylonian gidlu, cord on which onions were strung, a string of onions, ZehnpfBAS i. 511; Aramaic גְּדִילָא, thread, cord, rope, also plaited locks, id.) —
1 tassels Deuteronomy 22:12 on border of garment ("" צִיצִת Numbers 15:38-39,).
2 festoons, on capitals of columns 1 Kings 7:17.