clear as crystal

Mane (Îngilîzî)

1. (not-comparable) Entirely transparent.
2. (not-comparable) Easily understandable.

Hevwate

as clear as crystal

comprehensible

graspable

illuminable

scrutable

understandable

Werger

intel·ligible

begreiflich

fasslich

verständlich

faßlich

einsehbar

καταληπτός

compréhensible

concevable

intelligible

comprensibile

comprensìbile

intelligibile

capibile

comprehensivus

Etîmolojî (Îngilîzî)

Ji Middle English mîras hatiye girtin: clere as cristel

In summary

From Middle English clere as cristel.