Fem of 'acuph.; a collection of (learned) men (only in the plural) -- assembly.
see HEBREW 'acuph
H627. asuppah
[אֲסֻמָּה] noun feminine collection (compare Phoenician אספת assembly) only אֲסֻמּוֺת בַּעֲלֵי Ecclesiastes 12:11 (חֲכָמִים דִּבְרֵי) compared to driven nails; members of learned assemblies Thes MV and others; so Post-Biblical Hebrew NHWBi. 127; but Hi-Now and others refer to the wise utterances, called lords (possessors) of collection because of their well-connected grouping.