BDB4106
כֶּ֫סֶא Prov 7:20, כֶּ֫סֶה Ps 81:4 noun [masculine] full moon (compare Aramaic [untranscribed source text 2578]; origin dubious, compare LagSymn. i. 93; perhaps Assyrian loan-word; compare Assyrian kusêu , headdress or cap, = agû, id. , and also full moon (as tiara of moon-god ?), DlHWB, sub kusêu, kubšu, agû; yet see Brock) — ׳ לְיוֺם הַכּ Prov 7:20 as a feast-day, ׳ בַּכּ Ps 81:4 (opposed to בַּחֹדֶשׁ, at the new moon).