From the same as kuwmaz; a cluster of stars, i.e. The Pleiades -- Pleiades, seven stars.
see HEBREW kuwmaz
H3598. Kimah
כִּימָה noun feminine perhaps Pleiades (see above; Late Hebrew id.; ᵑ6 כִּימָא, ᵑ7 ) — as made by ׳י, Amos 5:8 ("" כְּסִיל), Job 9:9 ("" תֵמָן חַדְרֵי כְּסִיל, עָשׁ,); and under his control, כ ׳מַעֲדַנּוֺת 38:31 ("" כְּסִיל משְׁכוֺת). — (SternJüd. Zeitschr. f. Wissen. u. Leben. iii.((1864-65) 258 ff. Nö in SchenkelBL HoffmZAW iii. 107 ff. interpret עשׁ as Pleiades, and כימה as Sirius).