Rare standalone noun; mostly encountered in compound words like 剔出 (てきしゅつ, extraction) or in classical texts. Not used in everyday modern Japanese.
The kanji 剔 is sometimes seen in compounds meaning carving or excision.
gouging out; digging out · exposing; uncovering
surgical removal; excision
The kanji 剔 is of Chinese origin, combining 刀 (knife) and 易 (change/easy), suggesting cutting or carving. The exact historical derivation is uncertain; it is a rare character in Japanese, mostly preserved in classical or technical compounds.