Klein Dictionary, זקק ᴵᴵ 1

זקק ᴵᴵ to bind, to force, to compel.
    — Qal - זָקַק he bound, obliged, forced, compelled.
    — Niph. - נִזְקַק 1 was bound, was in need of. 2 he forced. 3 he took notice of, heeded. 4 he had sexual intercourse.
    — Hiph. - הִזֽקִיק he bound, obliged, forced.
    — Hoph. - הֻזְקַק was bound, was obliged, was forced.
    — Hith. - הִזְדַּקֵּק 1 he was in need of; 2 he had sexual intercourse. [Denominated from זֵק ᴵ (q.v.).] Derivatives: זִקָּה, זָקוּק, זְקִיקוּת, הַזֽקָקָה, הִזָּקְקוּת, נִזְקָק.