prep. without, lacking, -less
(ben-) pref. without,~less. pen-adar 'fatherless'.
(adv. prefix) ar- (outside)
1) pen (lenited ben) (lacking, -less) (WJ:375) Not to be confused with the pronoun pen ”one, somebody, anybody”. When prefixed to a noun, the resulting phrase can be treated as an adjective in that it is lenited (pen- appears as ben-) where an adjective would be lenited. 2)
(adverbial prefix) ú-, u- (e.g. udalraph ”without stirrups; stirrupless”, uluithiad *”without quenching” (SD:62) = ”unquenchable”). The prefix ar- has a similiar meaning, as in: