Lemizh / English dictionary

txàb.

to make tunnels

txÙb. (colloquial; especially in Shabar, the Lemizh capital) underground railway train, tube train (short form of ykhtxÌb. ⇐ ⇔ Ìkh txÙby. ‘ship benefitting from tunnels’)

Etymology

< NLem txubl‑a
< LMLem txubl‑yr
< MLem txublu‑yr ‘cave’
< OLem txu‑blu‑, exocentric compound (bahuvrihi) of
  OLem txu‑ ‘doubtful, indecisive’
< PLem *txu‑, u-stem adjective of
< PIE *deh₂‑ ‘split’
 —and—
  OLem blu‑ ‘strong’
< PLem *blu‑, u-stem adjective of
< PIE *bel‑

The Old Lemizh seemed to have named caves as places ‘of doubtful strength/stability’.

Cognates

Gk δαίομαι ‘divide’; Gk βελτίων ‘better’