Fr.: bâton de Sharafeddin
1) cubadt; 2) estab
Fr.: 1) bâton; 2) personnel
1) A long stick used to help in walking.
→ Sharafeddin's staff.
M.E. staf; O.E. stæf "walking stick, rod used as a weapon, pastoral staff;" sense of "group of military officers that assists a commander" attested from 1702; cf. O.N. stafr, M.Du. staf, O.H.G. stab, Ger. Stab, M.Du. stapel "pillar, foundation;" PIE base *stebh- "to support, place firmly on, fasten; post, stem;" cognate with Av. stabra- "strong, firm" and other Iranian words, as below.
1) Cubdast "hand stick," from cub "staff, stick," Mid.Pers.
côp "wood, stick" + dast, → hand.
Fr.: astronome résident
A professional astronomer who works within a specified observatory or research group.
Fr.: bâton de Tusi
Named after the Iranian mathematician and astronomer Sharafeddin Tusi (c1135-1213), who invented the instrument. Not to be confused with Nasireddin Tusi (1201-1274), → Nasireddin couple.