a 1 p 3 h 4 e 1 l 1 i 1 a 1
7 letters · 12 points in Scrabble
Meaning
noun apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun
originFrom aphelion + -a (plural form of the suffix -on).
Etymology from Wiktionary, CC BY-SA 3.0