PIE *sue-sor: sister, *se-, *s(e)u-, *s- = reflexive pronoun, *sor = woman; EX: Skt. स्वसर- svásar-; Got. swistar; Lat. soror; Gm. Schwester; Fr. sœur

Logarithm, abbr. log: the power to which a given base must be raised to produce a number x. Ex: 2³ = 8 AND log_(the-base)x = (the-power) => log₂8 = 3

german das Bett: bed; EX: das Bett neu überziehen: to change the bed; Ab ins Bett jetzt!: go to bed!

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