labial consonant

"A labial consonant, in preference M, should preceed the sound of the vowel to bring the attack upon the lips--M-ah."

The retraction of *oe to OE /a/ before /r/, catalysed by the vicinity of a labial consonant (warp 'he became', harm 'harm'), is also Anglian (found in Northumbrian and in the early Mercian glossaries, cf.

Labialization: Substitution of a labial consonant for an alveolar or interdental consonant (e.g., /[eth]e/ produced as [ve]).

The u- allomorph occurs in two environments: (a) in an open syllable before a labial consonant (which is itself followed by a vowel), e.g., [UNKNOWN TEXT OMITTED] 'and (it) died', u-vallayil 'and at night'; and (b) in a closed syllable, before a cluster of two consonants (the first of which is neither a glottal nor a pharyngeal), in which case it scans as long, e.g., [UNKNOWN TEXT OMITTED] 'and see!', [UNKNOWN TEXT OMITTED] 'and drink!', u- v anane 'and by (the) clouds (of)'.

The subscript dot for stress, apostrophe for palatalization, colon for vowel length (why?), superscript labial glide between a labial consonant and stressed /o/, and the transcription in general simply cause dismay.

In truth, the French /u/ of tout possibly occurs in English, in the male voice, when /u/ is preceded by a labial consonant. The /u/ of tout is similar to the /u/ of boo.