epitome
ORIGMIorigin
origin
apex, acme
Probably ZENITH which basically means utmost.
It is where the highest point is where the elevation is at and where it starts at
It means to reach the highest point,summit or highest development
TDC with regards to an engine means Top Dead Center - and that means a piston is at the highest point in the cylinder befores it starts to go back down the cylinder
Some words that mean highest point are top, summit, pinnacle, or apex.Apogee and peak are also words for highest point.
Zenith
Word that refer to a physically highest point include acme, aphelion, apogee, apex, crest, peak, summit, vertex, and zenith. 12-letter words relating to "highest point" (which itself has 12 letters) would include the adjectives transcendent (beyond normal) unparalleled (without equal) and the nouns consummation (final step) championship (highest level in many competitions).
Point Guard
apogee