Entry record from Mead (1998a): Proto-Bungku-Tolaki
Page number: 473
*sopu°
• temper.
Note: MRN (D. Andersen 1997:pers.comm.): sopu ‘temper, dip in cold water; also, gild’ «celup air dingin; sepuh»’; KUL: monsopu ‘to put hot metal into water, to temper’; TOLₕ (Muthalib, Alimuddin, Chalik, et al. 1985:121): sumopu ‘to gild’ «menyepuh». Compare also TOLₕ, MEKₕ sopura ‘smithy’. [PMP *sebu ‘sudden meeting of water and heat: extinguish a fire, temper metals’ (Blust 1986 290) PMP *b > PBT *p unexplained]