Fornander:

"KIA. s. Haw., pillar or inner post of a house supporting the roof, any kind of pillar or post, a mast of a vessel; kia-aina, a supporter of the land, a governor of a province.

Marqu., tia, id.

Sam., ti'a, the stick used in tanga-tia, a man's head (abusively); tia-pula, taro-tops cut off for planting.

Sunda, tihang. Mal., tiang, a pillar.

Greek, κιων, a pillar, support of the roof, the identical sense of the Polynesian usage of the word. Liddell and Scott give no etymology or connections of κιων."