Strong's Hebrew #8552
kə·ṯām-

kə·ṯām- — 1 Occurrence

Isaiah 18:5
HEB: לִפְנֵ֤י קָצִיר֙ כְּתָם־ פֶּ֔רַח וּבֹ֥סֶר
NAS: as soon as the bud blossoms And the flower
KJV: when the bud is perfect, and the sour grape
INT: before the harvest blossoms as the bud grape