Al-iʿtikāf: verbal noun of Form VIII (root ʿ-k-f), denoting remaining devoted to a place or activity.
Al-lubth: staying or lingering.
Al-muʿtakif: active participle, the person observing retreat.
Yabīʿ / yabtāʿ: verbs for selling and buying.
Mutatābiʿah: continuous or consecutive.
Read each word within its legal sentence rather than creating new rulings from dictionary meanings alone.