A well-attested pronominal prefix, the masculine singular pronoun “he” (SD/433). See the entry on pronominal-prefixes for more discussion. Tolkien said that it had another variant hu- (SD/433), but this variant was only appears in the early and rejected hunekkū, which was changed to unekkū (see nakh-). Tolkien further indicated that the form u- primitively had an initial consonant [ɣ] or [ʔ] that was lost (SD/433).
* upronoun. he