Mierninkas

Cf. Mernik, Mernyka, Miẽrnik, Miernỹka (see). Perhaps nicknames surn., connected with lit. in Slavism, to reduce, to reduce „skiedžiant daryti tinkamą vartoti“ ¹, cf. lit. miẽrn ​​² „vidutinis; saikingas“ ³. But it can also be from a peacemaker „kas mieruoja, matininkas“ ⁴.