The primary ancient Hebrew word for "assembly" or "congregation" is qahal (קָהָל, Strong's #6951). It refers to a gathering of people, often for religious purposes, war, or community decision-making, such as the assembly of Israelites at Mount Sinai. It focuses on the event of assembling.

ther related terms include:
'Edah (עֵדָה, Strong's #5712): Used for a congregation, often emphasizing the organized or appointed community as a whole.
'Atsarah (עֲצָרָה, Strong's #6116): Refers to a "solemn assembly" or a special, called-together gathering, often at the end of festivals.
Qehillah (קְהִלָּה, Strong's #6952): A related, more formal, or poetic term for an assembly.

The primary Hebrew word for "assembly" or "congregation" is קָהָל (Qahal), often used to describe a gathered community or assembly of people, such as the assembly of Israel. Other terms include עֵדָה (Edah) for a congregation/community and מִקְרָא (Miqra) for a holy convocation.
Here are the key terms for "assembly" in Hebrew:
Qahal (קָהָל): Refers to a community, congregation, or a specially convoked assembly.
Edah (עֵדָה): A congregation, group, or company.
Miqra (מִקְרָא): A holy convocation or gathering (often used for festivals, mikraei kodesh).
Knesset (כְּנֶסֶת): Assembly or gathering, often used for a parliament or formal group (e.g., The Knesset).
Atsarah/Atseret (עֲצָרָה/עֲצֶרֶת): A gathering or assembly.
Harkava (הַרְכָּבָה): Refers to the technical process of assembling or constructing.
Contextual Usage:
Hakhel (הקהל): Means "assemble" or "gather," referring to the ceremonial assembly of the entire nation of Israel in the Temple.
Qabatz (קבץ): A verb meaning "to gather, collect, or assemble".