綱渡り (つなわたり)tightrope walking; high-wire act; funambulism

tightrope walking; high-wire act; funambulismnoun (common) (futsuumeishi), noun or participle which takes the aux. verb suru
treading a tightrope; walking on thin ice; pulling a risky balancing actnoun (common) (futsuumeishi), noun or participle which takes the aux. verb suru

綱渡り, its kanji, and other words that share them.Open this graph

Kanji in 綱渡り

横綱よこづなyokozuna (highest rank in sumo); grand champion
大綱たいこうfundamental principles; main lines
要綱ようこうmain principle; gist
綱領こうりょうgeneral plan; main points
綱つなrope; cord
綱引きつなひきtug of war (orig. a form of divination to predict whether the year will be favourable or unfavourable)
命綱いのちづなlifeline; safety rope
手綱たづなreins; bridle
譲渡じょうとtransfer; assignment
引き渡しひきわたしdelivery; handing over
渡航とこうvoyage; passage
言い渡すいいわたすto announce; to tell
渡すわたすto ferry across (e.g. a river); to carry across
橋渡しはしわたしbridge building; mediation
手渡すてわたすto hand over; to surrender
渡り鳥わたりどりmigratory bird; bird of passage

See how 綱渡り connects to the rest of Japanese.