lay a finger on

Senso (Inglese)

1. (colloquial, idiomatic) To merely touch.
2. Used other than figuratively or idiomatically: see lay, a, finger, on: to finger

sinonimi

set on

Etimologia (Inglese)

Ereditato da inglese medio:

In summary

From Middle English fynger on (hem) to leyn (“touch (someone) with hostile intent”).