This paper describes a process whereby morphological patterns that, in premodern Hebrew, were not associated with a particular semantic profile, or were only partly associated with such a profile, developed a particular meaning in Modern Hebrew. This process is exemplified by certain types of quadriliteral roots formed in the Hebrew verbal system. Of eight quadriliteral root patterns productive in Modern Hebrew, three developed meanings of their own: the pilpel pattern, which expresses a series of short, atomic events; the piʿlel pattern, which describes a reduced or attenuated event, and the šifʿel pattern, which conveys a restitutive or repetitive meaning, or increase on scale. The pilpel pattern became associated with its meaning already...