sinnuma

== Icelandic == === Etymology === From sinnum (dative plural of sinn (“time”)), commonly occurring in multiplication, e.g. fjórum sinnum þrír (“four times three”). === Pronunciation === IPA(key): [ˈsɪn(ː)ʏma] === Verb === sinnuma (weak verb, third-person singular past indicative sinnumaði, supine sinnumað) (mathematics, childish) to multiply ==== Usage notes ==== This word is not generally accepted, and is mostly used by children. The preferred term is margfalda.