noun
schuss; straight descent
A skiing term for descending straight down a slope without turning.
急斜面を直滑降で下るのは勇気がいる。
It takes courage to go straight down a steep slope in a schuss.
Compound of 直 (straight), 滑 (glide), and 降 (descend). The reading ちょっかっこう reflects the on'yomi of each kanji with a geminate consonant (促音) in the middle.