G. initial [β], [ð] became [b], [d]; [{βð}-] > [{bd}-]

Reference ✧ PE12/017.1101-1

Phonetic Rule Elements

[β-]	>	[b-]
[ð-]	>	[d-]

Phonetic Rule Examples

βaɣ > baɣ	β- > b-	ᴱ√Baʒ̔- > G. Bai	✧ GL/21.3301
βaɣð > baɣð	β- > b-	ᴱ√Baʒ̔- > G. Baith	✧ GL/21.3501
βaɣl > baɣl	β- > b-	ᴱ√Baʒ̔- > G. bail	✧ GL/21.4501
βaɣn > baɣn	β- > b-	ᴱ√Baʒ̔- > G. Bain	✧ GL/21.4201
βaɣta- > baɣta-	β- > b-	ᴱ√Baʒ̔- > G. baidha-	✧ GL/21.3901
βan > ban	β- > b-	ᴱ√VANA > G. Ban-	✧ QL/099.8007
βaxa > baxa	β- > b-	ᴱ✶baχa > G. Bacha	✧ GL/21.4401
βeðjat > beðjat	β- > b-	ᴱ√Beđ > G. †bedhiod	✧ GL/22.3401
βeðs > beðs	β- > b-	ᴱ√Beđ > G. bess	✧ GL/22.3201
βelektā > belektā	β- > b-	ᴱ√melek/mbelek/belek > G. blectha	✧ GL/22.5501
βenð > benð	β- > b-	ᴱ√Beđ > G. †benn	✧ GL/22.2803
βenða- > benða-	β- > b-	ᴱ√Beđ > G. benna-	✧ GL/22.3801
βenn > benn	β- > b-	ᴱ√VENE > G. benn	✧ LT1A/Glorvent.021
βent > bent	β- > b-	ᴱ√VENE > G. bent	✧ LT1A/Glorvent.026
βiða > biða	β- > b-	ᴱ√viđa > G. bith	✧ GL/23.0801
βil > bil	β- > b-	ᴱ√bīl- > G. bil	✧ GL/23.0102
βḹd > bḹd	β- > b-	ᴱ√vḷd > bald- > G. Bâl	✧ GL/21.4801
βḹt > bḹt	β- > b-	ᴱ√vḷt > G. balt	✧ GL/23.3506
βḷt- > bḷt-	β- > b-	ᴱ√vḷt > G. blid	✧ GL/23.3002
βoronda > boronda	β- > b-	ᴱ√VORO > G. brod	✧ LT1A/Bronweg.017
βṛtol > bṛtol	β- > b-	ᴱ√vṛt > G. Bridol	✧ GL/24.1901