平日

Noun

 * 1) ordinary days

Adverb

 * 1) ordinarily; usually

Etymology 1
Compound of. The hi of changes to bi as an instance of.

Noun

 * 1) a weekday, an ordinary day
 * 2) the "say" radical, literally "the flat  radical"

Etymology 2
From compound.

Noun

 * 1) a habit, an ordinary
 * 2) a weekday, an ordinary day
 * 1) a weekday, an ordinary day