text_combined: summary buccalization several weeks ago posted query asking instances buccalization development glottal stop oral stop reason query compiling catalogue lenition fortition types textbook type catalogue could nt find example received seven responses none turned absolutely ironclad example glottal stop developing oral stop though things turn nonetheless striking four languages cited maru tibeto burman language turned syllablefinal zero k depending preceding tone possible certain change proceeded via glottal stop robins burling 1966 addition final stops history maru _ language _ 47 581586 anatole lyovin 1968 notes addition final stops maru _ project linguistic analysis _ 7 berkeley mandarin chinese optionally allows syllableinitial zero realized several segments including glottal stop velar nasal velar uvular voiced continuant yuen ren chao _ grammar spoken chinese _ p 20 reason believe initial zeros derive earlier glottal stop winnebago undergone change r vowels understand reply correctly rhotic may epenthetic origin american english celebrated case nope possibly via glottal stop true yep derives directly yeah analogical noted sometimes welp well really look glottal region vast sink segment ever returns obvious since one respondent points development p k influence neighboring u seem intrinsically implausible indeed reported early european linguists working southeast asia sometimes misheard mistranscribed glottal stops exactly manner thanks richard coates lance eccles james kirchner bill mahota john koontz david solnit scott delancey responses perhaps also inquired cases h oral segment nt think information vein gratefully received larry trask cogs university sussex brighton bn1 9qh uk larryt cogs susx ac uk