From Wiktionary, the free dictionary
láb (“foot”) + alatt (“under”) + van (“to be”)
láb alatt van
- (idiomatic) to be in the way, to be under one's feet, to be underfoot (to obstruct, block, or hinder)
- Synonyms: lábatlankodik, útban van
- For the verb, see van.
- The postpositional phrase láb alatt remains unchanged.