
von der Pike auf lernen
to learn from scratch
An idiom that means to learn something from the ground up and comprehensively. The expression comes from the military, where recruits first learned how to handle the 'Pike' (pike, a weapon).
Er hat sein Handwerk von der Pike auf gelernt und ist heute ein Meister seines Fachs.
He learned his craft from scratch and is now a master in his field.
