filiaster

Picture dictionary
atavia atavus abavia abavus proavia proavus avia / ava māterna avus māternus avia / ava paterna avus paternus cōnsobrīna / mātruēlis cōnsobrīnus / mātruēlis patruēlis patruēlis mātertera avunculus amita patruus / barbās māter pater sobrīna /neptis /neptia sobrīnus / nepōs frātruēlis /neptis /neptia nepōs /frātruus /frātruēlis sorōrius /marītus sorōris soror frāter frātria / uxor frātris socrus socer /patraster socrus socer /patraster soror uxōris frāter uxōris glōs lēvir uxor /marīta /coniunx /nūpta marītus /coniunx gener / fīliaster fīlia / nāta fīlius / nātus nurus / fīliastra prōgener neptis /neptia nepōs prōnurus proneptis pronepōs abneptis abnepōs
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From fīli(us) (“son”) +‎ -aster. Found in Late Latin.

• (Classical Latin) IPA^(key): /fiː.liˈas.ter/, [fiːlʲiˈäs̠t̪ɛr]
• (modern Italianate Ecclesiastical) IPA^(key): /fi.liˈas.ter/, [filiˈäst̪er]

fīliaster m (genitive fīliastrī, feminine fīliastra); second declension

1. stepson
2. son-in-law
3. nephew, sister's son

Second-declension noun (nominative singular in -er).

• filiastra

• patraster
• matrastra

• “filiaster”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• filiaster in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.