Move over the design in the middle to see how the same concept was depicted three millenia ago by gök : am.er+on : can > (p(am)ph)+yl : ian sages of the Southern Anatolia (c. 1000 BC), five centuries before the Greek invaders colonized their city known as  ış.ot.oğh > Side (cidde ~ citta; chateau, cité; city ~ site) in the 6th century BC.

Marble entablature at Side Archaeological Museum, Antalya, Türkiye; Photo by Doğan Türker, 1993.

u(--)p & d(ow)n in English are two words of a highly abstract concept, arising from one’s spatial awareness and linguistic skill, which should reach a certain level of intellectual development before such perceptions could be turned into vocalized expressions. However, the the intrinsic singularity of these two terms –their being one and the same at the outset unnoticed so far– is only revealed through the stamps signs of our Sky*rooT United : Mother Tongue, and better understood in a rather schematic display (shown above), as explained in Doğan Türker’s original method of aphonetic & provisual analysis of root syllables; See tr. am - ap > eng. a map.