πέπλον: i.e. Athena's robe, fastened at the side and shoulder with brooches (cf. 425). Evidently this woman's “πέπλος” corresponded in the main to the man's “χιτών” which Athena donned.
”): let fall, sc.
by removing the brooch at the shoulder.
: when this is used as a noun, the penult is short. cf. 3.385
: Athena, the muchloved daughter of Zeus, seems to dwell in her father's palace, though each of the other gods had his own home on Olympus (cf. 1.606