berr, W. byrr ‘short’, see § 101 ii (2).—Ar. √dheub- > Goth. diups ‘deep’: R *dhub- > Gaul. Dubno-, W. dwfn ‘deep’, Gaul. dubron, W. dwfr ‘water’.
§ 91. i. Ar. dh (Lat. f-, -d-, -b-; Gk. θ; Germ. d; Lith. d; Skr. dh) and Ar. d (Lat. d; Gk. δ; Germ. t; Lith. d; Skr. d) appear as d in Kelt. Examples: dh: Ar. *dhu̯or-: *dhur- > Lat. foris, Gk. θύρᾱ, E. door: W. dôr < *dhur-ā, drws ‘door’ < *dhru-st- < *dhu̯r̥- § 63 viii (1), Ir. dorus (intrusive o?).—Ar. *dhub- > W. dwfn § 90.—Ar. √ereudh- > Lat. ruber, Gk. ἐρυθρός: W. rhudd ‘red’ < Kelt. *roud-. — — d: Ar. √demā-: F°R *domə- > Lat. domi-tus: W. dof ‘tame’; RR *dₑmə- > Gk. ἀ-δάματος: W. dafad ‘sheep’.—Ar. *dék̑m̥ > Lat. decem, Gk. δέκα, Goth. taíhun, Lith. dẽszimt, Skr. dás̑a: Ir. deich n-, W. deg ‘ten’.—Ar. √dei̯eu̯- > W. duw, dydd, § 63 vii (4).—Ar. √u̯erō̆d-: R² u̯r̥̄d- > Lat. rādīx; VR *u̯r̥d- > Gk. ῥάδαμνος, Lat. rădius: W. gw̯raidd ‘roots’; RV *u̯r̥d- > Ir. frēm ‘root’ < *u̯r̥d-mā, W. greddf ‘instinct’ for *gw̯reẟf § 102 iii (2) < *u̯r̥d-mā, § 63 vii (3).
ii. Ar. d or t + d(h) became dᶻd(h), which gave zd in Kelt., and fell together with Ar. zd, giving Ir. t (tt), and W. th § 97 ii. Thus W. peth ‘some, a certain quantity of, something, thing’, beth ‘what?’, Ir. cuit ‘part, share’ < *qu̯id-dm̥: cf. Lat. quid-dam.—W. rhathu ‘to scrape, smooth’ < *rəd-dh- (or *rəd-zdh-): Lat. rādo, § 63 ix.—W. meth ‘miss, failure’ < *mit-dh-: Ir. mis-, mith- ‘miss-’, E. miss, √meit-: Lat. mūto.
§ 92. i. Ar. g̑ (Lat. g; Gk. γ; Germ. k; Lith. ž; Skr. j), Ar. g̑h (Lat. h; Gk. χ; Germ. g; Lith. ž; Skr. h), Ar. ɡ (Lat. g; Gk. γ; Germ. k; Lith. g; Skr. g, j), Ar. ɡh (Lat. h; Gk. χ; Germ. g; Lith. g; Skr. gh, h) all appear in Kelt. as g. Examples: g̑: Ar. g̑r̯̄n- > Lat. grānum, Goth. kaúrn, Lith. žírnis, Skr. jīrṇá-ḥ: Ir. grān, W. grawn § 61 ii.—Ar. √g̑enē- > Lat. genitor, Gk. γένεσις, Skr. jánati ‘begets’: W. geni ‘give birth’.—Ar. √areg̑- > Lat. argentum, Gk. ἅργυρος, Skr. rajatá-m ‘silver’: W. ariant, Ir. airget ‘silver’ < Pr. Kelt. *argn̥t-. — — g̑h: Ar. *g̑hei-em- > Lat. hiems, Gk. χεῖμα: W. gaeaf, § 75 vi (1).—Ar. √seg̑h- > Gk. ἕχω (< *seg̑hō), Skr. sáhate ‘vanquishes’: W. hy ‘bold’ < *seg-os, Gaul. Sego-; hael ‘generous’ < *sag-lo- < *sₑg̑h-lo-; haer ‘impor-
