edrein

noun. border

edrein

noun. *(outer) border

rhein

noun. border

rhain

noun. border

rhain

noun. border

Changes

• rhaen → rhain ✧ Ety/REG

Cognates

• ᴹQ. réna “edge, border, margin” ✧ Ety/REG; EtyAC/REG

Derivations

• ᴹ√REG “edge, border, margin” ✧ Ety/REG; EtyAC/REG

Element in

• N. edraenui “?outside, bordering, outer” ✧ EtyAC/REG (edraenui)
• N. edrein “*(outer) border” ✧ Ety/REG
• N. Emyn Rhain “Border Hills” ✧ TI/313
• N. Duil Rain “Border Hills” ✧ TI/268 (Duil Rain)

Phonetic Developments

Development	Stages	Sources
ᴹ√REG > rhein > rhain	[regna] > [reŋna] > [reina] > [rein] > [r̥ein] > [r̥ain]	✧ Ety/REG
ᴹ√RAG > rhaen	[ragna] > [raŋna] > [raina] > [rain] > [r̥ain] > [r̥aen]	✧ EtyAC/REG

Variations

• rhain ✧ Ety/REG
• rhaen ✧ EtyAC/REG (rhaen)
• Rhain ✧ TI/313