ケン, コン, たてまつ.る
offering, counter for drinks, present, offer
JLPT1 G7 S13 F637
鬳 is composed of 虍 tiger + 鬲 tripod cooking vessel/cauldron → tripod cooking vessel with tiger and other decorations. 獻 is 鬳# + 犬 dog/beast → *offer* a sacrificial vessel filled high with meat of a dog/wild beast → *present*.
[Full Kanji Etymology List]