大方廣佛華嚴經隨疏演義鈔 48.51

48.51

疏「或以纓身」者，在身曰纓，在首曰鬘。纓乃鬘類，皆結華成，因便故來。

Regarding the commentary's "Or worn across the body": worn on the body it is called ying; worn on the head it is called mān (garland). The ying is a type of garland; both are made by binding flowers, so it is introduced by association.