köken: Taken out of the clarifying compound Schwiegermutter (“mother-in-law”), itself from Schwieger (“mother-in-law”), from Old High German swigar (“mother-in-law”), from Proto-West Germanic *swegru, from Proto-Germanic *swegrō, from Proto-Indo-European *sweḱrúh₂. Related to Schwager (“brother-in-law”), Schwäher (“father-in-law”). Cognate with Alemannic German schwëcher-.
köken: Borrowed from German schwieger- (“-in-law”), extracted from Schwiegermutter (“mother-in-law”), older Schwieger, from Proto-Germanic *swegrō, cognate with Old English sweġer. The word goes back to Proto-Indo-European *sweḱrúh₂ (“mother-in-law”), hence Latin socrus), Ancient Greek ἑκύρα (hekúra), Sanskrit श्वश्रूः (śvaśrū́ḥ). It is further related to *swéḱuros (“father-in-law”) (German Schwäher,…
aile: brawd yng nghyfraith, cydfrawd yng nghyfraith, chwaer yng nghyfraith, mab yng nghyfraith, mam yng nghyfraith, merch yng nghyfraith, modryb yng nghyfraith, plant yng nghyfraith, rhieni yng nghyfraith, tad yng nghyfraith