leg trip
A technique in sumo, judo, and other martial arts where one sweeps or hooks the opponent's leg to unbalance them.
He tripped his opponent with a leg hook.
A place to put one's foot; also used for pedals on bicycles, sewing machines, etc. Less common than 足場 for scaffolding footholds.
I found a foothold on the rock and climbed up.
You operate the sewing machine by pressing the pedal.
spanning (years, months, etc.)
Used as a prefix to indicate a period that spans across calendar units, counting partial start and end units as full ones. Common in expressions like 足掛け3年 (spanning three calendar years).
This project spanned three calendar years.
knee-swing mount; legging-up
Standard kanji spelling; used in all senses.
Common kana-mixed spelling, especially in non-sumo contexts.
Compound of 足 (foot) and 掛け (hanging, hooking), from the verb 掛ける. The sumo sense directly reflects the action of hooking a leg. The spanning sense is a figurative extension, treating time as something one steps across.