Lexical Definition

‎כֶּסֶא‎ keçeʼ (keh'-seh) full moon ^H:N-M
or כֶּסֶה keçeh (keh'-seh); apparently from ‎כָּסָה‎

(time) appointed.

• properly, fulness or the full moon, i.e. its festival

1) full moon

See Greek: εὔσημος

Brown-Driver-Briggs

‎כֶּ֫סֶא‎ Prov 7:20, ‎כֶּ֫סֶה‎ Ps 81:4* noun [masculine] full moon (compare Aramaic ; origin dubious, compare Lag^{Symn. i. 93}; perhaps Assyrian loan-word; compare Assyrian kusêu, headdress or cap, = agû, id., and also full moon (as tiara of moon-god ?), Dl^{HWB, 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).

Brown-Driver-Briggs References