しかしながら、前置詞+関係代名詞whichの部分が関係副詞whereとなっています。

Sentence Analyzer

しかしながら 前置詞 + 関係 代名詞 which 部分 関係 副詞 where なっています

English Translation

However, the preposition+relative pronoun (which) part becomes a relative adverb (where).

Furigana

しかしながら、前置詞(ぜんちし)+関係(かんけい)代名詞(だいめいし)whichの部分(ぶぶん)関係(かんけい)副詞(ふくし)whereとなっています。

Romanji

Shikashinagara, zenchishi kankei daimeishi which no bubun ga kankei fukushi where to natteimasu.

Words

然しながら (しかしながら)
however; nevertheless
前置詞 (ぜんちし)
preposition
関係 (かんけい)
relation; relationship; connection; participation; involvement; concern; influence; effect; sexual relations; sexual relationship; related to ...; connected to ...
()
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
部分 (ぶぶん)
portion; section; part
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
()
if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)
成る (なる)
to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...

Kanji

Readings: ゼン、 まえ、 -まえ
Meanings: in front, before
Readings: チ、 お.く、 -お.き
Meanings: placement, put, set, deposit, leave behind, keep, employ, pawn
Reading: 
Meanings: part of speech, words, poetry
Readings: カン、 せき、 -ぜき、 かか.わる、 からくり、 かんぬき
Meanings: connection, barrier, gateway, involve, concerning
Readings: ケイ、 かか.る、 かかり、 -がかり、 かか.わる
Meanings: person in charge, connection, duty, concern oneself
Readings: ダイ、 タイ、 か.わる、 かわ.る、 かわ.り、 か.わり、 -がわ.り、 -が.わり、 か.える、 よ、 しろ
Meanings: substitute, change, convert, replace, period, age, counter for decades of ages, eras, etc., generation, charge, rate, fee
Readings: メイ、 ミョウ、 な、 -な
Meanings: name, noted, distinguished, reputation
Readings: ブ、 -べ
Meanings: section, bureau, dept, class, copy, part, portion, counter for copies of a newspaper or magazine
Readings: ブン、 フン、 ブ、 わ.ける、 わ.け、 わ.かれる、 わ.かる、 わ.かつ
Meanings: part, minute of time, segment, share, degree, one's lot, duty, understand, know, rate, 1%, chances, shaku/100
Reading: フク
Meanings: vice-, assistant, aide, duplicate, copy