The name 'Sylka' likely originates from the Old Slavic abbreviation 'Silko', which may be related to the two-root name 'Buysil' or to the abbreviation of the Greek-derived calendar name 'Silantius'. This name can also be derived from 'Vasylko'. It is worth noting that in the Belarusian context, the name 'Sila' was popular in the 15th to 17th centuries.