What is soaking prayer?

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Afrikaans عربى Bosanski Български 简体中文 繁體中文 Deutsch Español پارسی Français Ελληνικά हिन्दी Hrvatski Indonesia Italiano Kiswahili Magyar Nederlands Português Română Русский සිංහල Slovenčina Tagalog தமிழ் ภาษาไทย Türkçe українська اُردُو Việt