Saikai
Abstinence, purification (see
Imi,
Shojin,
Mono-imi,
Misogi,
Harae,
Bekka, etc.) undertaken by a participant in a Shinto ritual. The two levels of abstinence are ara-imi 'rough (i.e. less comprehensive) abstinence' and ma-imi 'true abstinence'.
A Popular Dictionary of Shinto.
Brian Bocking.