noun
mourning; mourning attire; mourning period
Refers to the state of mourning, the clothes worn, or the period of mourning. Somewhat formal or traditional; in everyday speech, 喪 (も) or 喪中 (もちゅう) are more common.
忌服の期間は親族の関係によって異なる。
The mourning period varies depending on the relationship to the deceased.
彼女は忌服のため、派手な服装を避けている。
She is avoiding flashy clothes because she is in mourning.
Compound of 忌 (ki, 'mourning, abhorrence') and 服 (fuku, 'clothing, attire'), with rendaku voicing to ぶく. The reading きふく is obsolete.