(literally perhaps ”foot-rope”) (i dalraph, o thalraph), pl. telraiph (i thelraiph). Attested (in lenited form) in the word udalraph ”stirrupless”.
Sindarin
udalraph
masculine name. Stirrupless
talraph
stirrup
raph
strap
(rope), pl. raiph (idh raiph), coll. pl. rafath. Isolated from udalraph ”stirrupless”, literally perhaps ”without foot-strap” (u + tal/dal + raph)
ú
without
u- (e.g. udalraph ”without stirrups; stirrupless”, uluithiad ✱”without quenching” (SD:62) = ”unquenchable”). The prefix ar- has a similiar meaning, as in:
A sobriquet of Borondir translated “Stirrupless” (UT/313), apparently a combination of the negative prefix ú- and otherwise unattested talraph “stirrup”.