permissive

The word "permissive" originates from the Latin verb permittere, meaning "to let through, allow, or entrust," which itself is a compound of per- (through, thoroughly) and mittere (to send, let go). The past participle form permissus gave rise to the English root "permiss-." The suffix -ive, also of Latin origin, was attached to form an adjective describing a quality or tendency. Thus, the literal sense of "sending through" evolved into the abstract concept of granting allowance or tolerating behavior, capturing the essence of a lenient or liberal attitude.

Structure: permiss (allow) + ive (adjective suffix) - permiss: From Latin permiss-, the past participle stem of permittere (to allow, let through). Its functional role is the core lexical root conveying the sense of "allowing." - ive: A suffix of Latin origin (-ivus) used to form adjectives meaning "tending to," "having the nature of," or "performing the action of."