The same as ken, used as a noun; a stand, i.e. Pedestal or station -- base, estate, foot, office, place, well.
see HEBREW ken
H3653. ken
III. כֵּן noun masculine base, pedestal, office (Late Hebrew כַּנָּה; Aramaic כַּנְתָּא, ) — absolute ׳כ Isaiah 33:23; 1 Kings 7:31 (but see below); suffix כַּנּוֺ Exodus 30:18 11t.; כַּנֶּ֑ךָ Genesis 40:13; כַּנִּי 41:13; —
1 literally base, pedestal, 1 Kings 7:31 (like) the work of a pedestal (Th VB), according to StaZAW iii, 1883, 161, 162 מַעֲשֵׂהכֵֿן is in wrong place, being originally part of a gloss to 7:35; — ׳כ in 7:29 = thus, or is text error; — כֵּןתָּֿרְנָם Isaiah 33:23 the base (supportor socket) of their mast (so Thes and most); especially of base of laver of tabernacle Exodus 30:18, 28; 31:9; 35:16; 38:8; 39:39; 40:11; Leviticus 8:11 (all P).
2 office, place Genesis 40:13; 41:13 (both E); hence (late) עַלכַּֿנּוֺ in his place Daniel 11:20-21, 38 (i.e. in his stead, as his successor, compare German an seiner Stelle); עַל omitted 11:7.