From kacam; to lay waste -- waste.
see HEBREW kacam
H3765. kirsem
[כִּרְסֵם] verb quadriliteral =
Pi`el, tear off (compare קִרְסֵם Late Hebrew cut or eat away, Deuteronomy 28:38 ᵑ7J for חָסַל; on form see Ges§ 56); — only Imperfect3masculine singular suffix: — מִיָּ֫עַר חֲזִיר יְכַרְסְמֶנָּה Psalm 80:14 teareth it off (that is, the vine, figurative of Israel).