Sindarin 

certh

noun. rune

Sindarin [LotR/1117; LotR/1123; LotRI/Certar; LotRI/Cirth; NM/164; PE17/122; PE22/149; PE22/150; PM/022; PMI/Cirth; SA/kir; SI/Cirth; WJ/014; WJ/396; WJI/Cirth] Group: Eldamo. Published by

certh

noun. rune

Sindarin [WJ/396, LotR/E] Etym. "cutting". Group: SINDICT. Published by

Certh iMbelain

noun. Sickle of the Powers (Q Valakirka)

certh (“sickle”) + in (gen. pl. article) + Belain (pl. of Balan Power) The lenition of Balain to Mbelain reflects Tolkien's earlier view of nasal mutation, where b, d, g > mb, nd, ng [HKF]; or it could possibly be an archaic form.

Sindarin [Tolkiendil] Group: Tolkiendil Compound Sindarin Names. Published by

certh

Certh

Old Sindarin *kirta, root KIR "cut"

Sindarin [Tolkien Gateway] Published by

certh

rune

certh (i gerth, o cherth), pl. cirth (i chirth). RUNE-ROW (collection of runes) certhas (i gerthas, o cherthas), pl. certhais (i cherthais). LONG RUNE-ROW (a certain system of runes) Angerthas (and + certhas).

certh

rune

(i gerth, o cherth), pl. cirth (i chirth).

certhas

rune-row

(i gerthas, o cherthas), pl. certhais (i cherthais).

angerthas

long rune-row

(and + certhas).