first wear; first use of new clothes
Refers to wearing a newly purchased or made garment for the first time. Often used in the context of special occasions or seasonal items.
See also: 下ろし (おろし)
Today is the first time I'm wearing my new suit.
I'm going to a tea ceremony in a kimono I'm wearing for the first time.
Alternate kanji spelling; 下ろし is also used in 下ろす (to take down, to launch).
Compound of 初 (hatsu, 'first') and 下ろし (oroshi, from 下ろす, 'to take down' or 'to use for the first time'). The exact historical derivation is uncertain, but it refers to the first time an item is taken out and used.