مقدس

ِApparently an irregular noun of place from قَدُسَ (qadusa, “to be holy”), occurring chiefly in an Arabic name for the Temple in Jerusalem, بَيْت المَقْدِس (bayt al-maqdis, “The House of the Holy Place”), with the regular form being مَقْدَس (maqdas). Compare مَطْلَع (maṭlaʕ, “rising place”) and its irregular variant, مَطْلِع (maṭliʕ). Compare also the irregular مَنْكِب (mankib, “shoulder-joint”), a derivation that Sībawayh, however, suspected to be a name for this body part rather than a noun of