ホウ, たな, だな
shelf, ledge, rack, mount, mantle, trellis
JLPT1 G7 S12 F1594
As per 朋# (spread in alignment) + 木 tree/wood → boards spread in alignment to create a structure (compare the meanings "shed" and "shack" in Chinese) or household object → *shelf*; *rack*; *trellis*.
[Full Kanji Etymology List]