noun
discontinued edition; out-of-print edition; discontinued model
Used for books, publications, or products that are no longer being produced or sold. Often seen in publishing and retail contexts.
この辞書は廃版になったので、もう買えません。
This dictionary has gone out of print, so you can't buy it anymore.
廃版のため、在庫限りで販売終了です。
Because it's a discontinued edition, sales will end once stock runs out.
Compound of 廃 (hai, 'abolish, discontinue') and 版 (han, 'edition, version'). The exact historical derivation is uncertain, but the word follows standard Sino-Japanese compounding patterns.